#616639
Closest named color: Dark Moss Green (#606C38). oklch(49.4% 0.066 114), rgb(97, 102, 57).
Aa
White text reads best on this color (6.05:1).
About this color
#616639 is a medium-dark, muted brown. In OKLCH its lightness is 49%, its chroma 0.066 and its hue 114°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.019 away. White text reads best on it, at 6.05:1.
| Hue family | Browns |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.46:1 |
| White text | 6.05:1 |
Values
| HEX | #616639 |
| RGB | rgb(97, 102, 57) |
| HSL | hsl(67, 28%, 31%) |
| OKLCH | oklch(49.4% 0.066 114) |
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 #616639 | 6.05:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #616639 | 3.46:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #616639 text on white | 6.05:1 | AA | Lc 80.2 | Fine for body text |
| #616639 text on black | 3.46:1 | AA large text | Lc -21.6 | 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E9EBE4
oklch(93.7% 0.01 119.6)
-
Step 200
200
#D9DBCE
oklch(88.6% 0.018 113.9)
-
Step 300
300
#C0C3AC
oklch(80.9% 0.032 113.1)
-
Step 400
400
#A0A580
oklch(70.8% 0.052 114)
-
Step 500
500
#898E60
oklch(63.1% 0.065 113.3)
-
Step 600
600
#737847
oklch(55.6% 0.07 113.4)
-
Step 700
700 (this color)
#616639
oklch(49.4% 0.066 114)
-
Step 800
800
#4E522F
oklch(42.6% 0.053 114)
-
Step 900
900
#41442A
oklch(37.6% 0.042 113.8)
-
Step 950
950
#262819
oklch(27% 0.026 114.4)
#616639 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) | #6C6235 | 0.019 |
| Deuteranopia (no green cones) | #6C633B | 0.020 |
| Tritanopia (no blue cones) | #66615B | 0.058 |
| Achromatopsia (no color) | #626262 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #616639
#616639
oklch(49.4% 0.066 114)
- #645A84
#645A84
oklch(49.4% 0.067 294.8)
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 #616639, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.019
- Dark Olive Green #556B2F ΔE 0.029
- Camo Green #526525 ΔE 0.035
- Greeny Brown #696006 ΔE 0.039
- Mud #735C12 ΔE 0.043
- Mud Green #606602 ΔE 0.044
- Muddy Green #657432 ΔE 0.046
- Brown Green #706C11 ΔE 0.047
Use #616639 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.