#51664E
Closest named color: Dark Moss Green (#606C38). oklch(48.6% 0.045 141.6), rgb(81, 102, 78).
Aa
White text reads best on this color (6.24:1).
About this color
#51664E is a medium-dark, muted green. In OKLCH its lightness is 49%, its chroma 0.045 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.044 away. White text reads best on it, at 6.24:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.36:1 |
| White text | 6.24:1 |
Values
| HEX | #51664E |
| RGB | rgb(81, 102, 78) |
| HSL | hsl(113, 13%, 35%) |
| OKLCH | oklch(48.6% 0.045 141.6) |
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 #51664E | 6.24:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #51664E | 3.36:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #51664E text on white | 6.24:1 | AA | Lc 81.1 | Fine for body text |
| #51664E 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E7EBE7
oklch(93.6% 0.007 145.5)
-
Step 200
200
#D5DBD4
oklch(88.5% 0.011 141.3)
-
Step 300
300
#B9C4B7
oklch(80.8% 0.022 140.9)
-
Step 400
400
#95A692
oklch(70.6% 0.034 141)
-
Step 500
500
#7B9177
oklch(63.2% 0.046 140.8)
-
Step 600
600
#647B60
oklch(55.7% 0.049 140.9)
-
Step 700
700 (this color)
#51664E
oklch(48.6% 0.045 141.6)
-
Step 800
800
#445441
oklch(42.6% 0.037 140.7)
-
Step 900
900
#394637
oklch(37.8% 0.03 141.4)
-
Step 950
950
#212920
oklch(27% 0.02 142)
#51664E 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) | #67624D | 0.034 |
| Deuteranopia (no green cones) | #64604F | 0.033 |
| Tritanopia (no blue cones) | #50645F | 0.029 |
| Achromatopsia (no color) | #606060 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51664E
#51664E
oklch(48.6% 0.045 141.6)
- #6C576F
#6C576F
oklch(48.7% 0.046 322.1)
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 #51664E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.044
- Dark Olive Green #556B2F ΔE 0.048
- Camo Green #526525 ΔE 0.052
- Dark Green Blue #1F6357 ΔE 0.054
- Dim Gray #696969 ΔE 0.057
- Slate #516572 ΔE 0.059
- Dark Aqua #05696B ΔE 0.067
- Army Green #4B5D16 ΔE 0.067
Use #51664E 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.