#616637
Closest named color: Dark Moss Green (#606C38). oklch(49.4% 0.068 113.9), rgb(97, 102, 55).
Aa
White text reads best on this color (6.06:1).
About this color
#616637 is a medium-dark, muted brown. In OKLCH its lightness is 49%, its chroma 0.068 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 0.018 away. White text reads best on it, at 6.06:1.
| Hue family | Browns |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.46:1 |
| White text | 6.06:1 |
Values
| HEX | #616637 |
| RGB | rgb(97, 102, 55) |
| HSL | hsl(66, 30%, 31%) |
| OKLCH | oklch(49.4% 0.068 113.9) |
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 #616637 | 6.06:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #616637 | 3.46:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #616637 text on white | 6.06:1 | AA | Lc 80.3 | Fine for body text |
| #616637 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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#E9EBE3
oklch(93.6% 0.011 118)
-
Step 200
200
#D9DBCD
oklch(88.6% 0.019 113.4)
-
Step 300
300
#C0C3AB
oklch(80.8% 0.033 112.9)
-
Step 400
400
#A0A57F
oklch(70.8% 0.053 113.9)
-
Step 500
500
#898E5E
oklch(63% 0.067 113.2)
-
Step 600
600
#737845
oklch(55.6% 0.072 113.3)
-
Step 700
700 (this color)
#616637
oklch(49.4% 0.068 113.9)
-
Step 800
800
#4E532D
oklch(42.8% 0.058 115)
-
Step 900
900
#414429
oklch(37.6% 0.043 113.6)
-
Step 950
950
#262818
oklch(27% 0.028 114.1)
#616637 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) | #6C6233 | 0.019 |
| Deuteranopia (no green cones) | #6C6339 | 0.020 |
| Tritanopia (no blue cones) | #66615B | 0.060 |
| Achromatopsia (no color) | #626262 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #616637
#616637
oklch(49.4% 0.068 113.9)
- #635A85
#635A85
oklch(49.4% 0.068 293.3)
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 #616637, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.018
- Dark Olive Green #556B2F ΔE 0.027
- Camo Green #526525 ΔE 0.033
- Greeny Brown #696006 ΔE 0.037
- Mud Green #606602 ΔE 0.041
- Mud #735C12 ΔE 0.041
- Muddy Green #657432 ΔE 0.045
- Brown Green #706C11 ΔE 0.045
Use #616637 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.