#646231
Closest named color: Dark Moss Green (#606C38). oklch(48.6% 0.069 106.6), rgb(100, 98, 49).
Aa
White text reads best on this color (6.30:1).
About this color
#646231 is a medium-dark, muted brown. In OKLCH its lightness is 49%, its chroma 0.069 and its hue 107°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.028 away. White text reads best on it, at 6.30:1.
| Hue family | Browns |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.069) |
| Temperature | warm |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.33:1 |
| White text | 6.30:1 |
Values
| HEX | #646231 |
| RGB | rgb(100, 98, 49) |
| HSL | hsl(58, 34%, 29%) |
| OKLCH | oklch(48.6% 0.069 106.6) |
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 #646231 | 6.30:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #646231 | 3.33:1 | AA large text | Lc 22.7 | Dividers and decoration only |
| #646231 text on white | 6.30:1 | AA | Lc 81.3 | Fine for body text |
| #646231 text on black | 3.33:1 | AA large text | Lc -20.5 | 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
#F6F6F2
oklch(97.2% 0.005 106.5)
-
Step 100
100
#EAEAE3
oklch(93.5% 0.009 106.6)
-
Step 200
200
#DADACC
oklch(88.5% 0.019 106.8)
-
Step 300
300
#C3C2AA
oklch(80.8% 0.033 105.2)
-
Step 400
400
#A4A37C
oklch(70.6% 0.054 106.5)
-
Step 500
500
#8E8D5B
oklch(63.2% 0.069 107.2)
-
Step 600
600
#787641
oklch(55.5% 0.074 106.7)
-
Step 700
700 (this color)
#646231
oklch(48.6% 0.069 106.6)
-
Step 800
800
#53512A
oklch(42.7% 0.058 106)
-
Step 900
900
#444327
oklch(37.6% 0.044 106.6)
-
Step 950
950
#282717
oklch(26.9% 0.028 105.1)
#646231 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) | #695F2D | 0.011 |
| Deuteranopia (no green cones) | #6A6133 | 0.011 |
| Tritanopia (no blue cones) | #6A5C57 | 0.064 |
| Achromatopsia (no color) | #606060 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #646231
#646231
oklch(48.6% 0.069 106.6)
- #5C5985
#5C5985
oklch(48.5% 0.07 286.6)
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 #646231, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.028
- Greeny Brown #696006 ΔE 0.030
- Mud #735C12 ΔE 0.032
- Camo Green #526525 ΔE 0.034
- Dark Olive Green #556B2F ΔE 0.035
- Mud Green #606602 ΔE 0.041
- Olive Brown #645403 ΔE 0.046
- Brown Green #706C11 ΔE 0.048
Use #646231 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.