#57A830
Closest named color: Grass (#5CAC2D). oklch(65.6% 0.173 137.4), rgb(87, 168, 48).
Aa
Black text reads best on this color (7.04:1).
About this color
#57A830 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.173 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass (#5CAC2D), ΔE 0.013 away. Black text reads best on it, at 7.04:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Grass (#5CAC2D) |
| Black text | 7.04:1 |
| White text | 2.97:1 |
Values
| HEX | #57A830 |
| RGB | rgb(87, 168, 48) |
| HSL | hsl(101, 56%, 42%) |
| OKLCH | oklch(65.6% 0.173 137.4) |
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 #57A830 | 2.97:1 | Fails | Lc -61.5 | Content text, not long reading |
| Black text on #57A830 | 7.04:1 | AAA | Lc 47.9 | Large or bold text, headings |
| #57A830 text on white | 2.97:1 | Fails | Lc 56.1 | Large or bold text, headings |
| #57A830 text on black | 7.04:1 | AAA | Lc -45.7 | 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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E2EEDE
oklch(93.6% 0.025 137.8)
-
Step 200
200
#CBE1C3
oklch(88.5% 0.047 137.3)
-
Step 300
300
#A7CE98
oklch(80.9% 0.085 137.1)
-
Step 400
400
#76B45D
oklch(70.7% 0.135 137.3)
-
Step 500
500 (this color)
#57A830
oklch(65.6% 0.173 137.4)
-
Step 600
600
#398800
oklch(55.5% 0.17 137.5)
-
Step 700
700
#2F7300
oklch(49.2% 0.15 137.5)
-
Step 800
800
#255E00
oklch(42.7% 0.13 137.5)
-
Step 900
900
#1F4E03
oklch(37.6% 0.112 137.4)
-
Step 950
950
#132E07
oklch(27% 0.071 137.7)
#57A830 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) | #AE9A1C | 0.110 |
| Deuteranopia (no green cones) | #A3933B | 0.111 |
| Tritanopia (no blue cones) | #52A290 | 0.121 |
| Achromatopsia (no color) | #959595 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57A830
#57A830
oklch(65.6% 0.173 137.4)
- #BB6AD5
#BB6AD5
oklch(65.6% 0.173 317.5)
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 #57A830, closest first.
No curated palette has a color within ΔE 0.04 of #57A830.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass #5CAC2D ΔE 0.013
- Leaf Green #5CA904 ΔE 0.019
- Mid Green #50A747 ΔE 0.020
- Medium Green #39AD48 ΔE 0.025
- Leaf #71AA34 ΔE 0.029
- Fern #63A950 ΔE 0.033
- Dark Pastel Green #56AE57 ΔE 0.036
- Kelly Green #02AB2E ΔE 0.040
Use #57A830 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.