#635E1B
Closest named color: Greeny Brown (#696006). oklch(47.3% 0.087 105), rgb(99, 94, 27).
Aa
White text reads best on this color (6.67:1).
About this color
#635E1B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 47%, its chroma 0.087 and its hue 105°. Its hue sits on the warm side of the wheel. The nearest named color is Greeny Brown (#696006), ΔE 0.016 away. White text reads best on it, at 6.67:1.
| Hue family | Browns |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Greeny Brown (#696006) |
| Black text | 3.14:1 |
| White text | 6.67:1 |
Values
| HEX | #635E1B |
| RGB | rgb(99, 94, 27) |
| HSL | hsl(56, 57%, 25%) |
| OKLCH | oklch(47.3% 0.087 105) |
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 #635E1B | 6.67:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #635E1B | 3.14:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #635E1B text on white | 6.67:1 | AA | Lc 82.9 | Fine for body text |
| #635E1B text on black | 3.14:1 | AA large text | Lc -19.1 | 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
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#EBEAE1
oklch(93.5% 0.012 101.5)
-
Step 200
200
#DBDAC9
oklch(88.5% 0.023 104.1)
-
Step 300
300
#C4C3A4
oklch(81% 0.042 105.8)
-
Step 400
400
#A6A372
oklch(70.6% 0.067 105)
-
Step 500
500
#918C4D
oklch(63% 0.085 104.6)
-
Step 600
600
#7B762F
oklch(55.5% 0.093 105.3)
-
Step 700
700 (this color)
#635E1B
oklch(47.3% 0.087 105)
-
Step 800
800
#55511D
oklch(42.7% 0.072 104.9)
-
Step 900
900
#46431E
oklch(37.7% 0.055 104.6)
-
Step 950
950
#292712
oklch(26.9% 0.035 103.7)
#635E1B 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) | #675A11 | 0.012 |
| Deuteranopia (no green cones) | #685E1F | 0.010 |
| Tritanopia (no blue cones) | #6B5751 | 0.080 |
| Achromatopsia (no color) | #5C5C5C | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #635E1B
#635E1B
oklch(47.3% 0.087 105)
- #57548A
#57548A
oklch(47.3% 0.086 285.1)
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 #635E1B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Brown #696006 ΔE 0.016
- Mud #735C12 ΔE 0.027
- Olive Brown #645403 ΔE 0.028
- Camo Green #526525 ΔE 0.030
- Mud Green #606602 ΔE 0.031
- Army Green #4B5D16 ΔE 0.039
- Camouflage Green #4B6113 ΔE 0.039
- Dark Olive Green #556B2F ΔE 0.040
Use #635E1B 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.