diff --git a/src/MD2.m b/src/MD2.m
index 998a6b8..52fb417 100644
--- a/src/MD2.m
+++ b/src/MD2.m
@@ -2,6 +2,8 @@
 
 #include "cube.h"
 
+#import "OFColor+Cube.h"
+
 struct md2_header {
 	int magic;
 	int version;
@@ -157,9 +159,7 @@ snap(int sn, float f)
 	glRotatef(yaw + 180, 0, -1, 0);
 	glRotatef(pitch, 0, 0, 1);
 
-	float red, green, blue;
-	[light getRed:&red green:&green blue:&blue alpha:NULL];
-	glColor3f(red, green, blue);
+	[light cube_setAsGLColor];
 
 	if (_displaylist && frame == 0 && range == 1) {
 		glCallList(_displaylist);
diff --git a/src/OFColor+Cube.h b/src/OFColor+Cube.h
new file mode 100644
index 0000000..d8a6a58
--- /dev/null
+++ b/src/OFColor+Cube.h
@@ -0,0 +1,5 @@
+#import <ObjFW/ObjFW.h>
+
+@interface OFColor (Cube)
+- (void)cube_setAsGLColor;
+@end
diff --git a/src/OFColor+Cube.m b/src/OFColor+Cube.m
new file mode 100644
index 0000000..bcd4281
--- /dev/null
+++ b/src/OFColor+Cube.m
@@ -0,0 +1,12 @@
+#include "cube.h"
+
+#import "OFColor+Cube.h"
+
+@implementation OFColor (Cube)
+- (void)cube_setAsGLColor
+{
+	float red, green, blue, alpha;
+	[self getRed:&red green:&green blue:&blue alpha:&alpha];
+	glColor4f(red, green, blue, alpha);
+}
+@end
diff --git a/src/editing.m b/src/editing.m
index 45b7c8f..e2345de 100644
--- a/src/editing.m
+++ b/src/editing.m
@@ -221,14 +221,23 @@ cursorupdate() // called every frame from hud
 			float h3 = sheight(s, SWS(s, 1, 1, ssize), z);
 			float h4 = sheight(s, SWS(s, 0, 1, ssize), z);
 			if (s->tag)
-				linestyle(GRIDW, 0xFF, 0x40, 0x40);
+				linestyle(GRIDW, [OFColor colorWithRed:1.0f
+								 green:0.25f
+								  blue:0.25f
+								 alpha:1.0f]);
 			else if (s->type == FHF || s->type == CHF)
-				linestyle(GRIDW, 0x80, 0xFF, 0x80);
+				linestyle(GRIDW, [OFColor colorWithRed:0.5f
+								 green:1.0f
+								  blue:0.5f
+								 alpha:1.0f]);
 			else
-				linestyle(GRIDW, 0x80, 0x80, 0x80);
+				linestyle(GRIDW, OFColor.gray);
 			struct block b = { ix, iy, 1, 1 };
 			box(&b, h1, h2, h3, h4);
-			linestyle(GRID8, 0x40, 0x40, 0xFF);
+			linestyle(GRID8, [OFColor colorWithRed:0.25f
+							 green:0.25f
+							  blue:1.0f
+							 alpha:1.0f]);
 			if (!(ix & GRIDM))
 				line(ix, iy, h1, ix, iy + 1, h4);
 			if (!(ix + 1 & GRIDM))
@@ -242,18 +251,21 @@ cursorupdate() // called every frame from hud
 
 	if (!SOLID(s)) {
 		float ih = sheight(s, s, z);
-		linestyle(GRIDS, 0xFF, 0xFF, 0xFF);
+		linestyle(GRIDS, OFColor.white);
 		struct block b = { cx, cy, 1, 1 };
 		box(&b, ih, sheight(s, SWS(s, 1, 0, ssize), z),
 		    sheight(s, SWS(s, 1, 1, ssize), z),
 		    sheight(s, SWS(s, 0, 1, ssize), z));
-		linestyle(GRIDS, 0xFF, 0x00, 0x00);
+		linestyle(GRIDS, OFColor.red);
 		dot(cx, cy, ih);
 		ch = (int)ih;
 	}
 
 	if (selset) {
-		linestyle(GRIDS, 0xFF, 0x40, 0x40);
+		linestyle(GRIDS, [OFColor colorWithRed:1.0f
+						 green:0.25f
+						  blue:0.25f
+						 alpha:1.0f]);
 		box(&sel, (float)selh, (float)selh, (float)selh, (float)selh);
 	}
 }
diff --git a/src/meson.build b/src/meson.build
index ca202e9..e3751fa 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -14,6 +14,7 @@ executable('client',
     'Menu.m',
     'MenuItem.m',
     'Monster.m',
+    'OFColor+Cube.m',
     'OFString+Cube.m',
     'Player.m',
     'Projectile.m',
diff --git a/src/protos.h b/src/protos.h
index ec8d348..cf60f03 100644
--- a/src/protos.h
+++ b/src/protos.h
@@ -166,7 +166,7 @@ extern void pruneundos(int maxremain);
 extern void line(int x1, int y1, float z1, int x2, int y2, float z2);
 extern void box(const struct block *b, float z1, float z2, float z3, float z4);
 extern void dot(int x, int y, float z);
-extern void linestyle(float width, int r, int g, int b);
+extern void linestyle(float width, OFColor *color);
 extern void newsphere(OFVector3D o, float max, int type);
 extern void renderspheres(int time);
 extern void gl_drawhud(
diff --git a/src/renderextras.m b/src/renderextras.m
index 8f9f6a6..575ae24 100644
--- a/src/renderextras.m
+++ b/src/renderextras.m
@@ -4,6 +4,7 @@
 
 #import "Command.h"
 #import "Entity.h"
+#import "OFColor+Cube.h"
 #import "Player.h"
 #import "Variable.h"
 
@@ -20,10 +21,10 @@ line(int x1, int y1, float z1, int x2, int y2, float z2)
 }
 
 void
-linestyle(float width, int r, int g, int b)
+linestyle(float width, OFColor *color)
 {
 	glLineWidth(width);
-	glColor3ub(r, g, b);
+	[color cube_setAsGLColor];
 }
 
 void
@@ -59,9 +60,12 @@ blendbox(int x1, int y1, int x2, int y2, bool border)
 	glBlendFunc(GL_ZERO, GL_ONE_MINUS_SRC_COLOR);
 	glBegin(GL_QUADS);
 	if (border)
-		glColor3d(0.5, 0.3, 0.4);
+		[[OFColor colorWithRed:0.5f
+				 green:0.3f
+				  blue:0.4f
+				 alpha:1.0f] cube_setAsGLColor];
 	else
-		glColor3d(1.0, 1.0, 1.0);
+		[OFColor.white cube_setAsGLColor];
 	glVertex2i(x1, y1);
 	glVertex2i(x2, y1);
 	glVertex2i(x2, y2);
@@ -70,7 +74,10 @@ blendbox(int x1, int y1, int x2, int y2, bool border)
 	glDisable(GL_BLEND);
 	glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
 	glBegin(GL_POLYGON);
-	glColor3d(0.2, 0.7, 0.4);
+	[[OFColor colorWithRed:0.2f
+			 green:0.7f
+			  blue:0.4f
+			 alpha:1.0f] cube_setAsGLColor];
 	glVertex2i(x1, y1);
 	glVertex2i(x2, y1);
 	glVertex2i(x2, y2);
@@ -126,7 +133,10 @@ renderspheres(int time)
 	for (struct sphere *p, **pp = &slist; (p = *pp) != NULL;) {
 		glPushMatrix();
 		float size = p->size / p->max;
-		glColor4f(1.0f, 1.0f, 1.0f, 1.0f - size);
+		[[OFColor colorWithRed:1.0f
+				 green:1.0f
+				  blue:1.0f
+				 alpha:1.0f - size] cube_setAsGLColor];
 		glTranslatef(p->o.x, p->o.z, p->o.y);
 		glRotatef(lastmillis / 5.0f, 1, 1, 1);
 		glScalef(p->size, p->size, p->size);
@@ -351,9 +361,15 @@ gl_drawhud(int w, int h, int curfps, int nquads, int curvert, bool underwater)
 		glBlendFunc(GL_ZERO, GL_ONE_MINUS_SRC_COLOR);
 		glBegin(GL_QUADS);
 		if (dblend)
-			glColor3d(0.0f, 0.9f, 0.9f);
+			[[OFColor colorWithRed:0.0f
+					 green:0.9f
+					  blue:0.9f
+					 alpha:1.0f] cube_setAsGLColor];
 		else
-			glColor3d(0.9f, 0.5f, 0.0f);
+			[[OFColor colorWithRed:0.9f
+					 green:0.5f
+					  blue:0.0f
+					 alpha:1.0f] cube_setAsGLColor];
 		glVertex2i(0, 0);
 		glVertex2i(VIRTW, 0);
 		glVertex2i(VIRTW, VIRTH);
@@ -381,14 +397,17 @@ gl_drawhud(int w, int h, int curfps, int nquads, int curvert, bool underwater)
 		glBlendFunc(GL_SRC_ALPHA, GL_SRC_ALPHA);
 		glBindTexture(GL_TEXTURE_2D, 1);
 		glBegin(GL_QUADS);
-		glColor3ub(255, 255, 255);
+		[OFColor.white cube_setAsGLColor];
 		if (crosshairfx) {
 			if (player1.gunWait)
-				glColor3ub(128, 128, 128);
+				[OFColor.gray cube_setAsGLColor];
 			else if (player1.health <= 25)
-				glColor3ub(255, 0, 0);
+				[OFColor.red cube_setAsGLColor];
 			else if (player1.health <= 50)
-				glColor3ub(255, 128, 0);
+				[[OFColor colorWithRed:1.0f
+						 green:0.5f
+						  blue:0.0f
+						 alpha:1.0f] cube_setAsGLColor];
 		}
 		float chsize = (float)crosshairsize;
 		glTexCoord2d(0.0, 0.0);
diff --git a/src/rendergl.m b/src/rendergl.m
index 9d50f82..921f2e8 100644
--- a/src/rendergl.m
+++ b/src/rendergl.m
@@ -6,6 +6,7 @@
 
 #import "Command.h"
 #import "Monster.h"
+#import "OFColor+Cube.h"
 #import "OFString+Cube.h"
 #import "Player.h"
 #import "Variable.h"
@@ -471,7 +472,7 @@ gl_drawframe(int w, int h, float curfps)
 	glRotated(player1.pitch, -1.0, 0.0, 0.0);
 	glRotated(player1.yaw, 0.0, 1.0, 0.0);
 	glRotated(90.0, 1.0, 0.0, 0.0);
-	glColor3f(1.0f, 1.0f, 1.0f);
+	[OFColor.white cube_setAsGLColor];
 	glDisable(GL_FOG);
 	glDepthFunc(GL_GREATER);
 	draw_envbox(14, fog * 4 / 3);
diff --git a/src/rendertext.m b/src/rendertext.m
index 3682d71..0239998 100644
--- a/src/rendertext.m
+++ b/src/rendertext.m
@@ -2,6 +2,8 @@
 
 #include "cube.h"
 
+#import "OFColor+Cube.h"
+
 short char_coords[96][4] = {
 	{ 0, 0, 25, 64 },       //!
 	{ 25, 0, 54, 64 },      //"
@@ -148,7 +150,7 @@ draw_text(OFString *string, int left, int top, int gl_num)
 {
 	glBlendFunc(GL_ONE, GL_ONE);
 	glBindTexture(GL_TEXTURE_2D, gl_num);
-	glColor3ub(255, 255, 255);
+	[OFColor.white cube_setAsGLColor];
 
 	int x = left;
 	int y = top;
@@ -168,7 +170,10 @@ draw_text(OFString *string, int left, int top, int gl_num)
 		}
 
 		if (c == '\f') {
-			glColor3ub(64, 255, 128);
+			[[OFColor colorWithRed:0.25f
+					 green:1.0f
+					  blue:0.5f
+					 alpha:1.0f] cube_setAsGLColor];
 			continue;
 		}