#646436
Closest named color: Dark Moss Green (#606C38). oklch(49.2% 0.066 108.6), rgb(100, 100, 54).
Aa
White text reads best on this color (6.14:1).
About this color
#646436 is a medium-dark, muted brown. In OKLCH its lightness is 49%, its chroma 0.066 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.024 away. White text reads best on it, at 6.14:1.
| Hue family | Browns |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.066) |
| Temperature | warm |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.41:1 |
| White text | 6.14:1 |
Values
| HEX | #646436 |
| RGB | rgb(100, 100, 54) |
| HSL | hsl(60, 30%, 30%) |
| OKLCH | oklch(49.2% 0.066 108.6) |
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 #646436 | 6.14:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #646436 | 3.41:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #646436 text on white | 6.14:1 | AA | Lc 80.6 | Fine for body text |
| #646436 text on black | 3.41:1 | AA large text | Lc -21.2 | 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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#EAEAE3
oklch(93.5% 0.009 106.6)
-
Step 200
200
#DADACD
oklch(88.5% 0.018 106.8)
-
Step 300
300
#C2C3AB
oklch(81% 0.033 109.1)
-
Step 400
400
#A3A47F
oklch(70.8% 0.051 108.9)
-
Step 500
500
#8C8D5E
oklch(63.1% 0.066 109.2)
-
Step 600
600
#777744
oklch(55.7% 0.072 108.5)
-
Step 700
700 (this color)
#646436
oklch(49.2% 0.066 108.6)
-
Step 800
800
#51512D
oklch(42.6% 0.054 108.5)
-
Step 900
900
#434328
oklch(37.5% 0.043 108.3)
-
Step 950
950
#272818
oklch(27.1% 0.028 111.1)
#646436 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) | #6B6132 | 0.013 |
| Deuteranopia (no green cones) | #6B6238 | 0.013 |
| Tritanopia (no blue cones) | #6A5F59 | 0.059 |
| Achromatopsia (no color) | #626262 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #646436
#646436
oklch(49.2% 0.066 108.6)
- #5F5B84
#5F5B84
oklch(49.2% 0.065 288.2)
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 #646436, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.024
- Dark Olive Green #556B2F ΔE 0.033
- Greeny Brown #696006 ΔE 0.035
- Mud #735C12 ΔE 0.037
- Camo Green #526525 ΔE 0.037
- Mud Green #606602 ΔE 0.044
- Brown Green #706C11 ΔE 0.047
- Browny Green #6F6C0A ΔE 0.049
Use #646436 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.