#51634B
Closest named color: Dark Moss Green (#606C38). oklch(47.7% 0.044 137.9), rgb(81, 99, 75).
Aa
White text reads best on this color (6.48:1).
About this color
#51634B is a medium-dark, muted green. In OKLCH its lightness is 48%, its chroma 0.044 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.048 away. White text reads best on it, at 6.48:1.
| Hue family | Greens |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.044) |
| Temperature | in between |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.23:1 |
| White text | 6.48:1 |
Values
| HEX | #51634B |
| RGB | rgb(81, 99, 75) |
| HSL | hsl(105, 14%, 34%) |
| OKLCH | oklch(47.7% 0.044 137.9) |
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 #51634B | 6.48:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #51634B | 3.23:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #51634B text on white | 6.48:1 | AA | Lc 82.2 | Fine for body text |
| #51634B text on black | 3.23:1 | AA large text | Lc -19.7 | 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
#E8EBE7
oklch(93.7% 0.006 137.8)
-
Step 200
200
#D5DBD4
oklch(88.5% 0.011 141.3)
-
Step 300
300
#BAC4B7
oklch(80.9% 0.021 138.4)
-
Step 400
400
#97A692
oklch(70.8% 0.033 137.8)
-
Step 500
500
#7D9077
oklch(63.1% 0.043 138.2)
-
Step 600
600
#667A5F
oklch(55.5% 0.047 137.6)
-
Step 700
700 (this color)
#51634B
oklch(47.7% 0.044 137.9)
-
Step 800
800
#455441
oklch(42.7% 0.036 139.1)
-
Step 900
900
#3A4537
oklch(37.6% 0.027 139)
-
Step 950
950
#222920
oklch(27.1% 0.019 138.8)
#51634B 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) | #655F4A | 0.031 |
| Deuteranopia (no green cones) | #625D4C | 0.031 |
| Tritanopia (no blue cones) | #50615C | 0.029 |
| Achromatopsia (no color) | #5E5E5E | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51634B
#51634B
oklch(47.7% 0.044 137.9)
- #67556D
#67556D
oklch(47.6% 0.044 317.6)
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 #51634B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.048
- Camo Green #526525 ΔE 0.051
- Dark Olive Green #556B2F ΔE 0.051
- Dark Green Blue #1F6357 ΔE 0.053
- Slate #516572 ΔE 0.060
- Dim Gray #696969 ΔE 0.061
- Army Green #4B5D16 ΔE 0.063
- Pine #2B5D34 ΔE 0.063
Use #51634B 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.