#646336
Closest named color: Dark Moss Green (#606C38). oklch(48.9% 0.065 107.5), rgb(100, 99, 54).
Aa
White text reads best on this color (6.21:1).
About this color
#646336 is a medium-dark, muted brown. In OKLCH its lightness is 49%, its chroma 0.065 and its hue 107°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.027 away. White text reads best on it, at 6.21:1.
| Hue family | Browns |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.37:1 |
| White text | 6.21:1 |
Values
| HEX | #646336 |
| RGB | rgb(100, 99, 54) |
| HSL | hsl(59, 30%, 30%) |
| OKLCH | oklch(48.9% 0.065 107.5) |
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 #646336 | 6.21:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #646336 | 3.37:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #646336 text on white | 6.21:1 | AA | Lc 81.0 | Fine for body text |
| #646336 text on black | 3.37:1 | AA large text | Lc -20.9 | 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
#EAEAE4
oklch(93.5% 0.008 106.6)
-
Step 200
200
#DADACD
oklch(88.5% 0.018 106.8)
-
Step 300
300
#C2C2AC
oklch(80.8% 0.03 107.1)
-
Step 400
400
#A3A37F
oklch(70.6% 0.05 107.6)
-
Step 500
500
#8D8D5F
oklch(63.2% 0.064 108.1)
-
Step 600
600
#777645
oklch(55.5% 0.069 107.4)
-
Step 700
700 (this color)
#646336
oklch(48.9% 0.065 107.5)
-
Step 800
800
#52512D
oklch(42.7% 0.054 107.1)
-
Step 900
900
#444329
oklch(37.7% 0.041 106.3)
-
Step 950
950
#282718
oklch(26.9% 0.026 104.8)
#646336 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) | #6A6032 | 0.012 |
| Deuteranopia (no green cones) | #6B6238 | 0.012 |
| Tritanopia (no blue cones) | #6A5E58 | 0.058 |
| Achromatopsia (no color) | #616161 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #646336
#646336
oklch(48.9% 0.065 107.5)
- #5E5B83
#5E5B83
oklch(49% 0.064 287.2)
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 #646336, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.027
- Dark Olive Green #556B2F ΔE 0.036
- Greeny Brown #696006 ΔE 0.036
- Mud #735C12 ΔE 0.036
- Camo Green #526525 ΔE 0.037
- Mud Green #606602 ΔE 0.045
- Brown Green #706C11 ΔE 0.050
- Olive Brown #645403 ΔE 0.051
Use #646336 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.