#57AB20
Closest named color: Leaf Green (#5CA904). oklch(66.3% 0.186 136.4), rgb(87, 171, 32).
Aa
Black text reads best on this color (7.25:1).
About this color
#57AB20 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.186 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leaf Green (#5CA904), ΔE 0.009 away. Black text reads best on it, at 7.25:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.186) |
| Temperature | in between |
| Nearest name | Leaf Green (#5CA904) |
| Black text | 7.25:1 |
| White text | 2.89:1 |
Values
| HEX | #57AB20 |
| RGB | rgb(87, 171, 32) |
| HSL | hsl(96, 68%, 40%) |
| OKLCH | oklch(66.3% 0.186 136.4) |
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 #57AB20 | 2.89:1 | Fails | Lc -60.2 | Content text, not long reading |
| Black text on #57AB20 | 7.25:1 | AAA | Lc 49.1 | Large or bold text, headings |
| #57AB20 text on white | 2.89:1 | Fails | Lc 54.9 | Large or bold text, headings |
| #57AB20 text on black | 7.25:1 | AAA | Lc -46.9 | Large or bold text, headings |
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 500.
-
Step 50
50
#F2F7EF
oklch(97% 0.012 133.4)
-
Step 100
100
#E2EEDD
oklch(93.5% 0.026 136.3)
-
Step 200
200
#CAE1C1
oklch(88.4% 0.05 136.9)
-
Step 300
300
#A6CF94
oklch(81% 0.092 136.3)
-
Step 400
400
#74B555
oklch(70.7% 0.146 136.5)
-
Step 500
500 (this color)
#57AB20
oklch(66.3% 0.186 136.4)
-
Step 600
600
#3E8800
oklch(55.7% 0.167 136.5)
-
Step 700
700
#337200
oklch(49.1% 0.147 136.5)
-
Step 800
800
#295E00
oklch(42.8% 0.128 136.5)
-
Step 900
900
#214E00
oklch(37.7% 0.113 136.4)
-
Step 950
950
#132E03
oklch(26.9% 0.075 136.2)
#57AB20 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) | #B19C00 | 0.115 |
| Deuteranopia (no green cones) | #A69531 | 0.115 |
| Tritanopia (no blue cones) | #53A492 | 0.133 |
| Achromatopsia (no color) | #989898 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57AB20
#57AB20
oklch(66.3% 0.186 136.4)
- #BF69DD
#BF69DD
oklch(66.4% 0.184 316.7)
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 #57AB20, closest first.
No curated palette has a color within ΔE 0.04 of #57AB20.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leaf Green #5CA904 ΔE 0.009
- Grass #5CAC2D ΔE 0.010
- Medium Green #39AD48 ΔE 0.030
- Leaf #71AA34 ΔE 0.032
- Leafy Green #51B73B ΔE 0.033
- Mid Green #50A747 ΔE 0.034
- Kelly Green #02AB2E ΔE 0.038
- Shamrock #01B44C ΔE 0.042
Use #57AB20 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.