#646240
Closest named color: Dark Moss Green (#606C38). oklch(48.9% 0.05 105.2), rgb(100, 98, 64).
Aa
White text reads best on this color (6.24:1).
About this color
#646240 is a medium-dark, muted brown. In OKLCH its lightness is 49%, its chroma 0.050 and its hue 105°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.036 away. White text reads best on it, at 6.24:1.
| Hue family | Browns |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.050) |
| Temperature | warm |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.36:1 |
| White text | 6.24:1 |
Values
| HEX | #646240 |
| RGB | rgb(100, 98, 64) |
| HSL | hsl(57, 22%, 32%) |
| OKLCH | oklch(48.9% 0.05 105.2) |
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 #646240 | 6.24:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #646240 | 3.36:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #646240 text on white | 6.24:1 | AA | Lc 81.1 | Fine for body text |
| #646240 text on black | 3.36:1 | AA large text | Lc -20.7 | 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
#DADAD0
oklch(88.6% 0.013 106.7)
-
Step 300
300
#C2C2B0
oklch(80.9% 0.025 106.9)
-
Step 400
400
#A4A287
oklch(70.7% 0.038 103.8)
-
Step 500
500
#8D8C68
oklch(63.1% 0.051 106.4)
-
Step 600
600
#787550
oklch(55.5% 0.054 104.1)
-
Step 700
700 (this color)
#646240
oklch(48.9% 0.05 105.2)
-
Step 800
800
#525035
oklch(42.6% 0.042 104.4)
-
Step 900
900
#44432E
oklch(37.8% 0.034 105.6)
-
Step 950
950
#28271B
oklch(27% 0.021 103.7)
#646240 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) | #68603E | 0.008 |
| Deuteranopia (no green cones) | #696141 | 0.009 |
| Tritanopia (no blue cones) | #695E59 | 0.044 |
| Achromatopsia (no color) | #606060 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #646240
#646240
oklch(48.9% 0.05 105.2)
- #5D5C7C
#5D5C7C
oklch(48.8% 0.051 285.8)
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 #646240, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.036
- Mud #735C12 ΔE 0.045
- Dark Olive Green #556B2F ΔE 0.047
- Camo Green #526525 ΔE 0.049
- Greeny Brown #696006 ΔE 0.049
- Dark Taupe #7F684E ΔE 0.053
- Dirt Brown #836539 ΔE 0.053
- Olive Brown #645403 ΔE 0.058
Use #646240 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.