#51691B
Closest named color: Camo Green (#526525). oklch(48.5% 0.107 125.2), rgb(81, 105, 27).
Aa
White text reads best on this color (6.20:1).
About this color
#51691B is a medium-dark, moderately saturated green. In OKLCH its lightness is 49%, its chroma 0.107 and its hue 125°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Camo Green (#526525), ΔE 0.017 away. White text reads best on it, at 6.20:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Camo Green (#526525) |
| Black text | 3.38:1 |
| White text | 6.20:1 |
Values
| HEX | #51691B |
| RGB | rgb(81, 105, 27) |
| HSL | hsl(78, 59%, 26%) |
| OKLCH | oklch(48.5% 0.107 125.2) |
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 #51691B | 6.20:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #51691B | 3.38:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #51691B text on white | 6.20:1 | AA | Lc 80.8 | Fine for body text |
| #51691B text on black | 3.38:1 | AA large text | Lc -21.0 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE1
oklch(93.6% 0.016 126.8)
-
Step 200
200
#D4DDC9
oklch(88.5% 0.029 126.8)
-
Step 300
300
#B9C7A3
oklch(80.9% 0.051 124.8)
-
Step 400
400
#94AA71
oklch(70.7% 0.082 125.6)
-
Step 500
500
#7B954A
oklch(63.2% 0.106 125.1)
-
Step 600
600
#647F2B
oklch(55.7% 0.115 125.2)
-
Step 700
700 (this color)
#51691B
oklch(48.5% 0.107 125.2)
-
Step 800
800
#44571B
oklch(42.7% 0.088 125)
-
Step 900
900
#39481C
oklch(37.7% 0.069 125.3)
-
Step 950
950
#212A11
oklch(26.9% 0.044 125.5)
#51691B 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) | #6F620E | 0.047 |
| Deuteranopia (no green cones) | #6C6122 | 0.048 |
| Tritanopia (no blue cones) | #55645A | 0.087 |
| Achromatopsia (no color) | #616161 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51691B
#51691B
oklch(48.5% 0.107 125.2)
- #6D4E8F
#6D4E8F
oklch(48.5% 0.106 304.8)
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 #51691B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Camo Green #526525 ΔE 0.017
- Dark Olive Green #556B2F ΔE 0.020
- Mud Green #606602 ΔE 0.022
- Camouflage Green #4B6113 ΔE 0.027
- Army Green #4B5D16 ΔE 0.038
- Dark Moss Green #606C38 ΔE 0.039
- Greeny Brown #696006 ΔE 0.041
- Browny Green #6F6C0A ΔE 0.046
Use #51691B 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.