#00571A
Closest named color: Forest (#0B5509). oklch(39.8% 0.119 146.6), rgb(0, 87, 26).
Aa
White text reads best on this color (8.83:1).
About this color
#00571A is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.119 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest (#0B5509), ΔE 0.012 away. White text reads best on it, at 8.83:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Forest (#0B5509) |
| Black text | 2.37:1 |
| White text | 8.83:1 |
Values
| HEX | #00571A |
| RGB | rgb(0, 87, 26) |
| HSL | hsl(138, 100%, 17%) |
| OKLCH | oklch(39.8% 0.119 146.6) |
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 #00571A | 8.83:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #00571A | 2.37:1 | Fails | Lc 14.4 | Not readable |
| #00571A text on white | 8.83:1 | AAA | Lc 89.6 | Fine for body text |
| #00571A text on black | 2.37:1 | Fails | Lc -12.6 | 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
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#DFEFE0
oklch(93.6% 0.026 147.1)
-
Step 200
200
#C5E3C6
oklch(88.6% 0.05 146)
-
Step 300
300
#9BD19F
oklch(81% 0.089 146.6)
-
Step 400
400
#5DB869
oklch(70.7% 0.143 146.7)
-
Step 500
500
#16A53D
oklch(63.1% 0.183 146.6)
-
Step 600
600
#008C2F
oklch(55.7% 0.167 146.6)
-
Step 700
700
#007526
oklch(49% 0.147 146.7)
-
Step 800
800
#00601E
oklch(42.6% 0.127 146.7)
-
Step 900
900 (this color)
#00571A
oklch(39.8% 0.119 146.6)
-
Step 950
950
#04300D
oklch(27.1% 0.076 146.5)
#00571A 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) | #584E13 | 0.091 |
| Deuteranopia (no green cones) | #504820 | 0.092 |
| Tritanopia (no blue cones) | #00554A | 0.071 |
| Achromatopsia (no color) | #4A4A4A | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00571A
#00571A
oklch(39.8% 0.119 146.6)
- #672B68
#672B68
oklch(39.8% 0.119 326.9)
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 #00571A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest #0B5509 ΔE 0.012
- Deep Green #02590F ΔE 0.012
- Navy Green #35530A ΔE 0.036
- Spruce #0A5F38 ΔE 0.042
- Bottle Green #044A05 ΔE 0.043
- Darkgreen #054907 ΔE 0.046
- Pine #2B5D34 ΔE 0.048
- Dark Green #006400 ΔE 0.049
Use #00571A 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.