#00510B
Closest named color: Forest (#0B5509). oklch(37.8% 0.122 144), rgb(0, 81, 11).
Aa
White text reads best on this color (9.62:1).
About this color
#00510B is a dark, moderately saturated green. In OKLCH its lightness is 38%, its chroma 0.122 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest (#0B5509), ΔE 0.015 away. White text reads best on it, at 9.62:1.
| Hue family | Greens |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Forest (#0B5509) |
| Black text | 2.18:1 |
| White text | 9.62:1 |
Values
| HEX | #00510B |
| RGB | rgb(0, 81, 11) |
| HSL | hsl(128, 100%, 16%) |
| OKLCH | oklch(37.8% 0.122 144) |
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 #00510B | 9.62:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #00510B | 2.18:1 | Fails | Lc 12.3 | Not readable |
| #00510B text on white | 9.62:1 | AAA | Lc 91.7 | Preferred for body text |
| #00510B text on black | 2.18:1 | Fails | Lc -10.7 | Not readable |
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 900.
-
Step 50
50
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E0EFDF
oklch(93.7% 0.027 143.6)
-
Step 200
200
#C6E2C4
oklch(88.4% 0.05 143.3)
-
Step 300
300
#9DD19B
oklch(81% 0.092 143.8)
-
Step 400
400
#62B862
oklch(70.8% 0.147 143.8)
-
Step 500
500
#26A531
oklch(63.2% 0.188 144)
-
Step 600
600
#008C1B
oklch(55.6% 0.18 144)
-
Step 700
700
#007615
oklch(49.1% 0.159 144)
-
Step 800
800
#00610F
oklch(42.8% 0.139 144)
-
Step 900
900 (this color)
#00510B
oklch(37.8% 0.122 144)
-
Step 950
950
#07300A
oklch(27.2% 0.078 144.1)
#00510B 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) | #534800 | 0.089 |
| Deuteranopia (no green cones) | #4B4314 | 0.088 |
| Tritanopia (no blue cones) | #004E44 | 0.079 |
| Achromatopsia (no color) | #454545 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00510B
#00510B
oklch(37.8% 0.122 144)
- #602566
#602566
oklch(37.8% 0.123 323.9)
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 #00510B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest #0B5509 ΔE 0.015
- Bottle Green #044A05 ΔE 0.023
- Darkgreen #054907 ΔE 0.026
- Deep Green #02590F ΔE 0.027
- British Racing Green #05480D ΔE 0.031
- Racing Green #014600 ΔE 0.037
- Pine Green #0A481E ΔE 0.040
- Navy Green #35530A ΔE 0.042
Use #00510B 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.