#51683D
Closest named color: Dark Olive Green (#556B2F). oklch(48.7% 0.071 131.5), rgb(81, 104, 61).
Aa
White text reads best on this color (6.18:1).
About this color
#51683D is a medium-dark, moderately saturated green. In OKLCH its lightness is 49%, its chroma 0.071 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.022 away. White text reads best on it, at 6.18:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.39:1 |
| White text | 6.18:1 |
Values
| HEX | #51683D |
| RGB | rgb(81, 104, 61) |
| HSL | hsl(92, 26%, 32%) |
| OKLCH | oklch(48.7% 0.071 131.5) |
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 #51683D | 6.18:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #51683D | 3.39:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #51683D text on white | 6.18:1 | AA | Lc 80.8 | Fine for body text |
| #51683D text on black | 3.39:1 | AA large text | Lc -21.1 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E7EBE5
oklch(93.5% 0.009 134.9)
-
Step 200
200
#D5DCCF
oklch(88.5% 0.019 130.2)
-
Step 300
300
#B9C6AF
oklch(81% 0.035 131.4)
-
Step 400
400
#94A885
oklch(70.6% 0.054 132)
-
Step 500
500
#7A9366
oklch(63.2% 0.071 131.8)
-
Step 600
600
#637D4D
oklch(55.7% 0.077 131.6)
-
Step 700
700 (this color)
#51683D
oklch(48.7% 0.071 131.5)
-
Step 800
800
#435633
oklch(42.7% 0.06 131.7)
-
Step 900
900
#39472D
oklch(37.8% 0.046 131.3)
-
Step 950
950
#21291B
oklch(26.8% 0.028 132.2)
#51683D 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) | #6C623A | 0.042 |
| Deuteranopia (no green cones) | #68613F | 0.040 |
| Tritanopia (no blue cones) | #52655D | 0.052 |
| Achromatopsia (no color) | #616161 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51683D
#51683D
oklch(48.7% 0.071 131.5)
- #6D547D
#6D547D
oklch(48.8% 0.071 311.7)
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 #51683D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.022
- Camo Green #526525 ΔE 0.026
- Dark Moss Green #606C38 ΔE 0.026
- Camouflage Green #4B6113 ΔE 0.045
- Mud Green #606602 ΔE 0.047
- Army Green #4B5D16 ΔE 0.048
- Greeny Brown #696006 ΔE 0.050
- Muddy Green #657432 ΔE 0.052
Use #51683D 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.