#63641D
Closest named color: Greeny Brown (#696006). oklch(48.8% 0.092 110.1), rgb(99, 100, 29).
Aa
White text reads best on this color (6.22:1).
About this color
#63641D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 49%, its chroma 0.092 and its hue 110°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Brown (#696006), ΔE 0.015 away. White text reads best on it, at 6.22:1.
| Hue family | Browns |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Greeny Brown (#696006) |
| Black text | 3.37:1 |
| White text | 6.22:1 |
Values
| HEX | #63641D |
| RGB | rgb(99, 100, 29) |
| HSL | hsl(61, 55%, 25%) |
| OKLCH | oklch(48.8% 0.092 110.1) |
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 #63641D | 6.22:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #63641D | 3.37:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #63641D text on white | 6.22:1 | AA | Lc 81.0 | Fine for body text |
| #63641D text on black | 3.37:1 | AA large text | Lc -20.9 | 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
#EAEBE1
oklch(93.7% 0.013 111.3)
-
Step 200
200
#DADBC9
oklch(88.6% 0.024 109.5)
-
Step 300
300
#C2C4A3
oklch(81% 0.045 110.2)
-
Step 400
400
#A3A571
oklch(70.7% 0.071 109.9)
-
Step 500
500
#8C8E4B
oklch(63% 0.09 110.2)
-
Step 600
600
#77782C
oklch(55.6% 0.098 109.9)
-
Step 700
700 (this color)
#63641D
oklch(48.8% 0.092 110.1)
-
Step 800
800
#51521B
oklch(42.5% 0.076 110.2)
-
Step 900
900
#43441D
oklch(37.6% 0.058 110.2)
-
Step 950
950
#272812
oklch(26.9% 0.037 110.9)
#63641D 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) | #6C6013 | 0.017 |
| Deuteranopia (no green cones) | #6D6222 | 0.019 |
| Tritanopia (no blue cones) | #6A5D56 | 0.083 |
| Achromatopsia (no color) | #616161 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63641D
#63641D
oklch(48.8% 0.092 110.1)
- #5F5690
#5F5690
oklch(48.8% 0.092 289.7)
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 #63641D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Brown #696006 ΔE 0.015
- Mud Green #606602 ΔE 0.018
- Camo Green #526525 ΔE 0.025
- Dark Olive Green #556B2F ΔE 0.027
- Dark Moss Green #606C38 ΔE 0.029
- Mud #735C12 ΔE 0.032
- Browny Green #6F6C0A ΔE 0.034
- Brown Green #706C11 ΔE 0.034
Use #63641D 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.