#51663B
Closest named color: Camo Green (#526525). oklch(48.2% 0.07 129.9), rgb(81, 102, 59).
Aa
White text reads best on this color (6.33:1).
About this color
#51663B is a medium-dark, muted green. In OKLCH its lightness is 48%, its chroma 0.070 and its hue 130°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Camo Green (#526525), ΔE 0.025 away. White text reads best on it, at 6.33:1.
| Hue family | Greens |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.070) |
| Temperature | in between |
| Nearest name | Camo Green (#526525) |
| Black text | 3.31:1 |
| White text | 6.33:1 |
Values
| HEX | #51663B |
| RGB | rgb(81, 102, 59) |
| HSL | hsl(89, 27%, 32%) |
| OKLCH | oklch(48.2% 0.07 129.9) |
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 #51663B | 6.33:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #51663B | 3.31:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #51663B text on white | 6.33:1 | AA | Lc 81.5 | Fine for body text |
| #51663B text on black | 3.31:1 | AA large text | Lc -20.4 | 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
#E8EBE4
oklch(93.6% 0.01 125.7)
-
Step 200
200
#D5DCCF
oklch(88.5% 0.019 130.2)
-
Step 300
300
#B9C5AF
oklch(80.8% 0.033 130.7)
-
Step 400
400
#96A884
oklch(70.8% 0.055 129.4)
-
Step 500
500
#7C9266
oklch(63.1% 0.068 129.8)
-
Step 600
600
#657C4D
oklch(55.6% 0.074 129.7)
-
Step 700
700 (this color)
#51663B
oklch(48.2% 0.07 129.9)
-
Step 800
800
#455533
oklch(42.6% 0.057 129.1)
-
Step 900
900
#3A462D
oklch(37.6% 0.044 129.1)
-
Step 950
950
#22291A
oklch(26.9% 0.028 128.5)
#51663B 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) | #6A6038 | 0.040 |
| Deuteranopia (no green cones) | #675F3D | 0.039 |
| Tritanopia (no blue cones) | #52635B | 0.052 |
| Achromatopsia (no color) | #5F5F5F | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51663B
#51663B
oklch(48.2% 0.07 129.9)
- #6A537C
#6A537C
oklch(48.2% 0.07 309.6)
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 #51663B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Camo Green #526525 ΔE 0.025
- Dark Olive Green #556B2F ΔE 0.025
- Dark Moss Green #606C38 ΔE 0.030
- Camouflage Green #4B6113 ΔE 0.042
- Army Green #4B5D16 ΔE 0.044
- Mud Green #606602 ΔE 0.047
- Greeny Brown #696006 ΔE 0.049
- Muddy Green #657432 ΔE 0.056
Use #51663B 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.