#635F40
Closest named color: Dark Moss Green (#606C38). oklch(48.1% 0.047 101.7), rgb(99, 95, 64).
Aa
White text reads best on this color (6.47:1).
About this color
#635F40 is a medium-dark, muted brown. In OKLCH its lightness is 48%, its chroma 0.047 and its hue 102°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.044 away. White text reads best on it, at 6.47:1.
| Hue family | Browns |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.047) |
| Temperature | warm |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.24:1 |
| White text | 6.47:1 |
Values
| HEX | #635F40 |
| RGB | rgb(99, 95, 64) |
| HSL | hsl(53, 21%, 32%) |
| OKLCH | oklch(48.1% 0.047 101.7) |
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 #635F40 | 6.47:1 | AA | Lc -87.2 | Fine for body text |
| Black text on #635F40 | 3.24:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #635F40 text on white | 6.47:1 | AA | Lc 82.1 | Fine for body text |
| #635F40 text on black | 3.24:1 | AA large text | Lc -19.8 | 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
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#EAEAE5
oklch(93.6% 0.007 106.5)
-
Step 200
200
#DAD9D0
oklch(88.4% 0.012 101.5)
-
Step 300
300
#C3C1B1
oklch(80.8% 0.022 101.1)
-
Step 400
400
#A5A288
oklch(70.8% 0.037 101.9)
-
Step 500
500
#8F8B6B
oklch(63.2% 0.046 101.7)
-
Step 600
600
#797552
oklch(55.7% 0.051 102.4)
-
Step 700
700 (this color)
#635F40
oklch(48.1% 0.047 101.7)
-
Step 800
800
#535037
oklch(42.7% 0.039 102.1)
-
Step 900
900
#454230
oklch(37.7% 0.029 99.7)
-
Step 950
950
#28271C
oklch(27% 0.019 103.3)
#635F40 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) | #655D3E | 0.006 |
| Deuteranopia (no green cones) | #665F41 | 0.005 |
| Tritanopia (no blue cones) | #685B57 | 0.042 |
| Achromatopsia (no color) | #5E5E5E | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #635F40
#635F40
oklch(48.1% 0.047 101.7)
- #595B78
#595B78
oklch(48.1% 0.047 281.4)
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 #635F40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.044
- Mud #735C12 ΔE 0.047
- Camo Green #526525 ΔE 0.052
- Greeny Brown #696006 ΔE 0.053
- Dark Olive Green #556B2F ΔE 0.053
- Olive Brown #645403 ΔE 0.055
- Dark Taupe #7F684E ΔE 0.058
- Dirt Brown #836539 ΔE 0.059
Use #635F40 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.