#51683F
Closest named color: Dark Olive Green (#556B2F). oklch(48.7% 0.068 132.3), rgb(81, 104, 63).
Aa
White text reads best on this color (6.17:1).
About this color
#51683F is a medium-dark, muted green. In OKLCH its lightness is 49%, its chroma 0.068 and its hue 132°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.024 away. White text reads best on it, at 6.17:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.40:1 |
| White text | 6.17:1 |
Values
| HEX | #51683F |
| RGB | rgb(81, 104, 63) |
| HSL | hsl(94, 25%, 33%) |
| OKLCH | oklch(48.7% 0.068 132.3) |
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 #51683F | 6.17:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #51683F | 3.40:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #51683F text on white | 6.17:1 | AA | Lc 80.8 | Fine for body text |
| #51683F text on black | 3.40:1 | 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
#D5DCD0
oklch(88.6% 0.018 131.9)
-
Step 300
300
#B9C5B0
oklch(80.8% 0.032 131.6)
-
Step 400
400
#94A886
oklch(70.7% 0.053 132.5)
-
Step 500
500
#7A9268
oklch(63% 0.067 132.3)
-
Step 600
600
#637D4F
oklch(55.7% 0.074 132.4)
-
Step 700
700 (this color)
#51683F
oklch(48.7% 0.068 132.3)
-
Step 800
800
#435635
oklch(42.8% 0.057 132.7)
-
Step 900
900
#39472E
oklch(37.8% 0.045 132)
-
Step 950
950
#21291B
oklch(26.8% 0.028 132.2)
#51683F 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) | #6B623C | 0.041 |
| Deuteranopia (no green cones) | #686141 | 0.040 |
| Tritanopia (no blue cones) | #52655E | 0.051 |
| Achromatopsia (no color) | #616161 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51683F
#51683F
oklch(48.7% 0.068 132.3)
- #6D547C
#6D547C
oklch(48.7% 0.069 312.4)
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 #51683F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.024
- Dark Moss Green #606C38 ΔE 0.027
- Camo Green #526525 ΔE 0.029
- Camouflage Green #4B6113 ΔE 0.048
- Mud Green #606602 ΔE 0.049
- Army Green #4B5D16 ΔE 0.050
- Greeny Brown #696006 ΔE 0.052
- Muddy Green #657432 ΔE 0.053
Use #51683F 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.