#57B642
Closest named color: Leafy Green (#51B73B). oklch(69.4% 0.178 140.2), rgb(87, 182, 66).
Aa
Black text reads best on this color (8.17:1).
About this color
#57B642 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.178 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.009 away. Black text reads best on it, at 8.17:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.178) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 8.17:1 |
| White text | 2.56:1 |
Values
| HEX | #57B642 |
| RGB | rgb(87, 182, 66) |
| HSL | hsl(109, 47%, 49%) |
| OKLCH | oklch(69.4% 0.178 140.2) |
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 #57B642 | 2.56:1 | Fails | Lc -55.1 | Large or bold text, headings |
| Black text on #57B642 | 8.17:1 | AAA | Lc 54.1 | Large or bold text, headings |
| #57B642 text on white | 2.56:1 | Fails | Lc 49.9 | Large or bold text, headings |
| #57B642 text on black | 8.17:1 | AAA | Lc -52.0 | 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 400.
-
Step 50
50
#F0F8EF
oklch(97.1% 0.015 142.2)
-
Step 100
100
#DFF0DB
oklch(93.7% 0.033 139.7)
-
Step 200
200
#C4E4BD
oklch(88.5% 0.063 140)
-
Step 300
300
#99D38E
oklch(81% 0.112 140.5)
-
Step 400
400 (this color)
#57B642
oklch(69.4% 0.178 140.2)
-
Step 500
500
#2FA500
oklch(63.2% 0.204 140.2)
-
Step 600
600
#268B00
oklch(55.7% 0.18 140.3)
-
Step 700
700
#1F7500
oklch(49.2% 0.159 140.2)
-
Step 800
800
#186000
oklch(42.8% 0.138 140.2)
-
Step 900
900
#125000
oklch(37.7% 0.122 140.2)
-
Step 950
950
#073000
oklch(27% 0.088 140.4)
#57B642 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) | #BBA734 | 0.121 |
| Deuteranopia (no green cones) | #AE9E4C | 0.122 |
| Tritanopia (no blue cones) | #4DB09E | 0.120 |
| Achromatopsia (no color) | #A1A1A1 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57B642
#57B642
oklch(69.4% 0.178 140.2)
- #CC73E0
#CC73E0
oklch(69.4% 0.178 320)
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 #57B642, closest first.
No curated palette has a color within ΔE 0.04 of #57B642.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.009
- Grass #5CAC2D ΔE 0.028
- Turtle Green #75B84F ΔE 0.034
- Cool Green #33B864 ΔE 0.035
- Dark Pastel Green #56AE57 ΔE 0.035
- Leaf #71AA34 ΔE 0.036
- Medium Green #39AD48 ΔE 0.037
- Shamrock #01B44C ΔE 0.037
Use #57B642 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.