#63640D
Closest named color: Mud Green (#606602). oklch(48.7% 0.101 110.4), rgb(99, 100, 13).
Aa
White text reads best on this color (6.25:1).
About this color
#63640D is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 49%, its chroma 0.101 and its hue 110°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mud Green (#606602), ΔE 0.010 away. White text reads best on it, at 6.25:1.
| Hue family | Yellows |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Mud Green (#606602) |
| Black text | 3.35:1 |
| White text | 6.25:1 |
Values
| HEX | #63640D |
| RGB | rgb(99, 100, 13) |
| HSL | hsl(61, 77%, 22%) |
| OKLCH | oklch(48.7% 0.101 110.4) |
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 #63640D | 6.25:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #63640D | 3.35:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #63640D text on white | 6.25:1 | AA | Lc 81.0 | Fine for body text |
| #63640D text on black | 3.35:1 | AA large text | Lc -20.8 | 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
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#EAEBE0
oklch(93.6% 0.015 110.9)
-
Step 200
200
#DADBC7
oklch(88.5% 0.027 109.3)
-
Step 300
300
#C2C4A0
oklch(80.9% 0.049 110.1)
-
Step 400
400
#A3A56B
oklch(70.6% 0.078 109.9)
-
Step 500
500
#8D8F42
oklch(63.2% 0.1 110.3)
-
Step 600
600
#77781E
oklch(55.5% 0.109 110.1)
-
Step 700
700 (this color)
#63640D
oklch(48.7% 0.101 110.4)
-
Step 800
800
#525312
oklch(42.8% 0.084 110.4)
-
Step 900
900
#444517
oklch(37.9% 0.066 110.3)
-
Step 950
950
#27280F
oklch(26.9% 0.041 110.9)
#63640D 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) | #6D5F00 | 0.020 |
| Deuteranopia (no green cones) | #6E6216 | 0.021 |
| Tritanopia (no blue cones) | #6B5D55 | 0.092 |
| Achromatopsia (no color) | #606060 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63640D
#63640D
oklch(48.7% 0.101 110.4)
- #605494
#605494
oklch(48.7% 0.101 290.8)
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 #63640D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Green #606602 ΔE 0.010
- Greeny Brown #696006 ΔE 0.014
- Camo Green #526525 ΔE 0.027
- Dark Olive Green #556B2F ΔE 0.030
- Browny Green #6F6C0A ΔE 0.032
- Brown Green #706C11 ΔE 0.033
- Mud #735C12 ΔE 0.035
- Dark Moss Green #606C38 ΔE 0.036
Use #63640D 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.