#636841
Closest named color: Dark Moss Green (#606C38). oklch(50.3% 0.058 114.5), rgb(99, 104, 65).
Aa
White text reads best on this color (5.85:1).
About this color
#636841 is a medium-dark, muted yellow. In OKLCH its lightness is 50%, its chroma 0.058 and its hue 114°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.020 away. White text reads best on it, at 5.85:1.
| Hue family | Yellows |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.58:1 |
| White text | 5.85:1 |
Values
| HEX | #636841 |
| RGB | rgb(99, 104, 65) |
| HSL | hsl(68, 23%, 33%) |
| OKLCH | oklch(50.3% 0.058 114.5) |
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 #636841 | 5.85:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #636841 | 3.58:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #636841 text on white | 5.85:1 | AA | Lc 79.3 | Fine for body text |
| #636841 text on black | 3.58:1 | AA large text | Lc -22.5 | 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
#E9EAE4
oklch(93.5% 0.008 114.2)
-
Step 200
200
#D9DACF
oklch(88.5% 0.015 110.9)
-
Step 300
300
#C0C3AF
oklch(80.9% 0.028 113.9)
-
Step 400
400
#9FA485
oklch(70.6% 0.044 115)
-
Step 500
500
#888E66
oklch(63.1% 0.057 115)
-
Step 600
600
#72784D
oklch(55.6% 0.062 114.9)
-
Step 700
700 (this color)
#636841
oklch(50.3% 0.058 114.5)
-
Step 800
800
#4E5233
oklch(42.6% 0.048 114.5)
-
Step 900
900
#41442D
oklch(37.7% 0.037 114.2)
-
Step 950
950
#26281B
oklch(27.1% 0.023 115.1)
#636841 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) | #6D643E | 0.018 |
| Deuteranopia (no green cones) | #6D6543 | 0.019 |
| Tritanopia (no blue cones) | #67645E | 0.049 |
| Achromatopsia (no color) | #656565 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #636841
#636841
oklch(50.3% 0.058 114.5)
- #665E82
#665E82
oklch(50.4% 0.057 294.5)
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 #636841, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.020
- Dark Olive Green #556B2F ΔE 0.036
- Camo Green #526525 ΔE 0.045
- Muddy Green #657432 ΔE 0.046
- Greeny Brown #696006 ΔE 0.048
- Mud #735C12 ΔE 0.049
- Brown Green #706C11 ΔE 0.051
- Dark Taupe #7F684E ΔE 0.051
Use #636841 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.