#64633B
Closest named color: Dark Moss Green (#606C38). oklch(49% 0.058 107.1), rgb(100, 99, 59).
Aa
White text reads best on this color (6.19:1).
About this color
#64633B is a medium-dark, muted brown. In OKLCH its lightness is 49%, its chroma 0.058 and its hue 107°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.029 away. White text reads best on it, at 6.19:1.
| Hue family | Browns |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.38:1 |
| White text | 6.19:1 |
Values
| HEX | #64633B |
| RGB | rgb(100, 99, 59) |
| HSL | hsl(59, 26%, 31%) |
| OKLCH | oklch(49% 0.058 107.1) |
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 #64633B | 6.19:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #64633B | 3.38:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #64633B text on white | 6.19:1 | AA | Lc 80.9 | Fine for body text |
| #64633B text on black | 3.38:1 | AA large text | Lc -21.0 | 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
#F6F6F3
oklch(97.2% 0.004 106.5)
-
Step 100
100
#EAEAE4
oklch(93.5% 0.008 106.6)
-
Step 200
200
#DADACE
oklch(88.5% 0.016 106.7)
-
Step 300
300
#C2C2AE
oklch(80.9% 0.027 107)
-
Step 400
400
#A3A383
oklch(70.7% 0.045 107.5)
-
Step 500
500
#8D8C63
oklch(63% 0.058 106.8)
-
Step 600
600
#77764A
oklch(55.6% 0.063 107.2)
-
Step 700
700 (this color)
#64633B
oklch(49% 0.058 107.1)
-
Step 800
800
#525131
oklch(42.7% 0.049 106.8)
-
Step 900
900
#44432B
oklch(37.7% 0.038 106.1)
-
Step 950
950
#28271A
oklch(27% 0.023 104.1)
#64633B 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) | #696038 | 0.011 |
| Deuteranopia (no green cones) | #6A623D | 0.011 |
| Tritanopia (no blue cones) | #695E59 | 0.053 |
| Achromatopsia (no color) | #616161 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64633B
#64633B
oklch(49% 0.058 107.1)
- #5E5C80
#5E5C80
oklch(49.1% 0.057 286.6)
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 #64633B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.029
- Dark Olive Green #556B2F ΔE 0.040
- Mud #735C12 ΔE 0.040
- Greeny Brown #696006 ΔE 0.042
- Camo Green #526525 ΔE 0.042
- Mud Green #606602 ΔE 0.051
- Dirt Brown #836539 ΔE 0.052
- Brown Green #706C11 ΔE 0.055
Use #64633B 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.