#636438
Closest named color: Dark Moss Green (#606C38). oklch(49.1% 0.064 109.7), rgb(99, 100, 56).
Aa
White text reads best on this color (6.15:1).
About this color
#636438 is a medium-dark, muted brown. In OKLCH its lightness is 49%, its chroma 0.064 and its hue 110°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.024 away. White text reads best on it, at 6.15:1.
| Hue family | Browns |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.064) |
| Temperature | warm |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.41:1 |
| White text | 6.15:1 |
Values
| HEX | #636438 |
| RGB | rgb(99, 100, 56) |
| HSL | hsl(61, 28%, 31%) |
| OKLCH | oklch(49.1% 0.064 109.7) |
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 #636438 | 6.15:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #636438 | 3.41:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #636438 text on white | 6.15:1 | AA | Lc 80.7 | Fine for body text |
| #636438 text on black | 3.41:1 | AA large text | Lc -21.1 | 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#EAEAE4
oklch(93.5% 0.008 106.6)
-
Step 200
200
#D9DACE
oklch(88.4% 0.016 110.6)
-
Step 300
300
#C1C3AC
oklch(80.9% 0.032 111.1)
-
Step 400
400
#A2A480
oklch(70.8% 0.05 110.2)
-
Step 500
500
#8C8D60
oklch(63.1% 0.063 109.2)
-
Step 600
600
#767747
oklch(55.6% 0.068 109.4)
-
Step 700
700 (this color)
#636438
oklch(49.1% 0.064 109.7)
-
Step 800
800
#51522F
oklch(42.8% 0.053 109.8)
-
Step 900
900
#43442A
oklch(37.8% 0.041 110.1)
-
Step 950
950
#272819
oklch(27.1% 0.026 111.2)
#636438 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) | #6A6135 | 0.013 |
| Deuteranopia (no green cones) | #6B623A | 0.015 |
| Tritanopia (no blue cones) | #685F59 | 0.056 |
| Achromatopsia (no color) | #616161 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #636438
#636438
oklch(49.1% 0.064 109.7)
- #605B83
#605B83
oklch(49.2% 0.063 289.6)
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 #636438, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.024
- Dark Olive Green #556B2F ΔE 0.034
- Camo Green #526525 ΔE 0.037
- Greeny Brown #696006 ΔE 0.038
- Mud #735C12 ΔE 0.039
- Mud Green #606602 ΔE 0.046
- Brown Green #706C11 ΔE 0.050
- Muddy Green #657432 ΔE 0.051
Use #636438 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.