#57A833
Closest named color: Grass (#5CAC2D). oklch(65.6% 0.171 137.7), rgb(87, 168, 51).
Aa
Black text reads best on this color (7.05:1).
About this color
#57A833 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.171 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass (#5CAC2D), ΔE 0.014 away. Black text reads best on it, at 7.05:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Grass (#5CAC2D) |
| Black text | 7.05:1 |
| White text | 2.97:1 |
Values
| HEX | #57A833 |
| RGB | rgb(87, 168, 51) |
| HSL | hsl(102, 53%, 43%) |
| OKLCH | oklch(65.6% 0.171 137.7) |
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 #57A833 | 2.97:1 | Fails | Lc -61.4 | Content text, not long reading |
| Black text on #57A833 | 7.05:1 | AAA | Lc 48.0 | Large or bold text, headings |
| #57A833 text on white | 2.97:1 | Fails | Lc 56.1 | Large or bold text, headings |
| #57A833 text on black | 7.05:1 | 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
#A7CE99
oklch(81% 0.084 137.5)
-
Step 400
400
#76B45E
oklch(70.7% 0.134 137.6)
-
Step 500
500 (this color)
#57A833
oklch(65.6% 0.171 137.7)
-
Step 600
600
#388900
oklch(55.7% 0.171 137.7)
-
Step 700
700
#2E7300
oklch(49.1% 0.151 137.7)
-
Step 800
800
#245E00
oklch(42.6% 0.131 137.7)
-
Step 900
900
#1F4E05
oklch(37.6% 0.111 137.7)
-
Step 950
950
#132E07
oklch(27% 0.071 137.7)
#57A833 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) | #AD9A22 | 0.109 |
| Deuteranopia (no green cones) | #A3933E | 0.111 |
| Tritanopia (no blue cones) | #52A291 | 0.120 |
| Achromatopsia (no color) | #959595 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57A833
#57A833
oklch(65.6% 0.171 137.7)
- #BB6AD4
#BB6AD4
oklch(65.6% 0.172 317.8)
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 #57A833, closest first.
No curated palette has a color within ΔE 0.04 of #57A833.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass #5CAC2D ΔE 0.014
- Mid Green #50A747 ΔE 0.018
- Leaf Green #5CA904 ΔE 0.021
- Medium Green #39AD48 ΔE 0.024
- Leaf #71AA34 ΔE 0.028
- Fern #63A950 ΔE 0.031
- Dark Pastel Green #56AE57 ΔE 0.034
- Kelly Green #02AB2E ΔE 0.041
Use #57A833 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.