#00511F
Closest named color: Forest (#0B5509). oklch(38% 0.107 149), rgb(0, 81, 31).
Aa
White text reads best on this color (9.55:1).
About this color
#00511F is a dark, moderately saturated green. In OKLCH its lightness is 38%, its chroma 0.107 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest (#0B5509), ΔE 0.026 away. White text reads best on it, at 9.55:1.
| Hue family | Greens |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Forest (#0B5509) |
| Black text | 2.19:1 |
| White text | 9.55:1 |
Values
| HEX | #00511F |
| RGB | rgb(0, 81, 31) |
| HSL | hsl(143, 100%, 16%) |
| OKLCH | oklch(38% 0.107 149) |
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 #00511F | 9.55:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #00511F | 2.19:1 | Fails | Lc 12.4 | Not readable |
| #00511F text on white | 9.55:1 | AAA | Lc 91.6 | Preferred for body text |
| #00511F text on black | 2.19:1 | Fails | Lc -10.8 | 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
#F1F8F2
oklch(97.2% 0.011 149.9)
-
Step 100
100
#E0EEE2
oklch(93.5% 0.022 149.7)
-
Step 200
200
#C6E2C9
oklch(88.5% 0.045 148.2)
-
Step 300
300
#9DD0A5
oklch(81% 0.08 149.1)
-
Step 400
400
#61B773
oklch(70.8% 0.13 149)
-
Step 500
500
#25A34D
oklch(63% 0.164 149)
-
Step 600
600
#008B3A
oklch(55.6% 0.157 148.9)
-
Step 700
700
#007530
oklch(49.1% 0.138 149)
-
Step 800
800
#006026
oklch(42.7% 0.12 149)
-
Step 900
900 (this color)
#00511F
oklch(38% 0.107 149)
-
Step 950
950
#072F13
oklch(27% 0.067 149.3)
#00511F 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) | #52491A | 0.086 |
| Deuteranopia (no green cones) | #4A4323 | 0.086 |
| Tritanopia (no blue cones) | #004F46 | 0.062 |
| Achromatopsia (no color) | #454545 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00511F
#00511F
oklch(38% 0.107 149)
- #602A5E
#602A5E
oklch(38.1% 0.106 328.8)
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 #00511F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest #0B5509 ΔE 0.026
- Bottle Green #044A05 ΔE 0.029
- Darkgreen #054907 ΔE 0.030
- Pine Green #0A481E ΔE 0.030
- British Racing Green #05480D ΔE 0.031
- Deep Green #02590F ΔE 0.034
- Racing Green #014600 ΔE 0.041
- Evergreen #05472A ΔE 0.042
Use #00511F 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.