#51633B
Closest named color: Camo Green (#526525). oklch(47.4% 0.065 128.4), rgb(81, 99, 59).
Aa
White text reads best on this color (6.56:1).
About this color
#51633B is a medium-dark, muted green. In OKLCH its lightness is 47%, its chroma 0.065 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Camo Green (#526525), ΔE 0.028 away. White text reads best on it, at 6.56:1.
| Hue family | Greens |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Camo Green (#526525) |
| Black text | 3.19:1 |
| White text | 6.56:1 |
Values
| HEX | #51633B |
| RGB | rgb(81, 99, 59) |
| HSL | hsl(87, 25%, 31%) |
| OKLCH | oklch(47.4% 0.065 128.4) |
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 #51633B | 6.56:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #51633B | 3.19:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #51633B text on white | 6.56:1 | AA | Lc 82.5 | Fine for body text |
| #51633B text on black | 3.19:1 | AA large text | Lc -19.4 | 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
#E8EBE5
oklch(93.6% 0.009 128.6)
-
Step 200
200
#D6DBCF
oklch(88.4% 0.017 125.3)
-
Step 300
300
#BBC5B0
oklch(81% 0.031 128)
-
Step 400
400
#97A786
oklch(70.7% 0.05 128.7)
-
Step 500
500
#7E9168
oklch(63.1% 0.063 128.3)
-
Step 600
600
#677B4F
oklch(55.5% 0.069 128.3)
-
Step 700
700 (this color)
#51633B
oklch(47.4% 0.065 128.4)
-
Step 800
800
#465535
oklch(42.8% 0.054 128.9)
-
Step 900
900
#3B462E
oklch(37.7% 0.042 128.3)
-
Step 950
950
#23291B
oklch(27% 0.026 126.9)
#51633B 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) | #675E38 | 0.035 |
| Deuteranopia (no green cones) | #645D3D | 0.034 |
| Tritanopia (no blue cones) | #536059 | 0.050 |
| Achromatopsia (no color) | #5D5D5D | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51633B
#51633B
oklch(47.4% 0.065 128.4)
- #665278
#665278
oklch(47.4% 0.064 308.1)
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 #51633B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Camo Green #526525 ΔE 0.028
- Dark Olive Green #556B2F ΔE 0.033
- Dark Moss Green #606C38 ΔE 0.038
- Army Green #4B5D16 ΔE 0.042
- Camouflage Green #4B6113 ΔE 0.043
- Greeny Brown #696006 ΔE 0.050
- Mud Green #606602 ΔE 0.051
- Pine #2B5D34 ΔE 0.053
Use #51633B 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.