#63603D
Closest named color: Dark Moss Green (#606C38). oklch(48.3% 0.052 104), rgb(99, 96, 61).
Aa
White text reads best on this color (6.41:1).
About this color
#63603D is a medium-dark, muted brown. In OKLCH its lightness is 48%, its chroma 0.052 and its hue 104°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.039 away. White text reads best on it, at 6.41:1.
| Hue family | Browns |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.052) |
| Temperature | warm |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.27:1 |
| White text | 6.41:1 |
Values
| HEX | #63603D |
| RGB | rgb(99, 96, 61) |
| HSL | hsl(55, 24%, 31%) |
| OKLCH | oklch(48.3% 0.052 104) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #63603D | 6.41:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #63603D | 3.27:1 | AA large text | Lc 22.2 | Dividers and decoration only |
| #63603D text on white | 6.41:1 | AA | Lc 81.9 | Fine for body text |
| #63603D text on black | 3.27:1 | AA large text | Lc -20.0 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#EAEAE5
oklch(93.6% 0.007 106.5)
-
Step 200
200
#DADACF
oklch(88.5% 0.015 106.7)
-
Step 300
300
#C3C2AF
oklch(81% 0.026 104.5)
-
Step 400
400
#A4A286
oklch(70.6% 0.039 104)
-
Step 500
500
#8E8B67
oklch(63% 0.051 103.8)
-
Step 600
600
#78754F
oklch(55.5% 0.055 104.2)
-
Step 700
700 (this color)
#63603D
oklch(48.3% 0.052 104)
-
Step 800
800
#535034
oklch(42.6% 0.043 102.8)
-
Step 900
900
#44432E
oklch(37.8% 0.034 105.6)
-
Step 950
950
#28271B
oklch(27% 0.021 103.7)
#63603D with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #665E3A | 0.007 |
| Deuteranopia (no green cones) | #67603E | 0.007 |
| Tritanopia (no blue cones) | #685C57 | 0.046 |
| Achromatopsia (no color) | #5F5F5F | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63603D
#63603D
oklch(48.3% 0.052 104)
- #5A5B7B
#5A5B7B
oklch(48.3% 0.051 282.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #63603D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.039
- Mud #735C12 ΔE 0.043
- Camo Green #526525 ΔE 0.047
- Greeny Brown #696006 ΔE 0.047
- Dark Olive Green #556B2F ΔE 0.048
- Olive Brown #645403 ΔE 0.053
- Dirt Brown #836539 ΔE 0.057
- Dark Taupe #7F684E ΔE 0.058
Use #63603D in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.