#57A900
Closest named color: Leaf Green (#5CA904). oklch(65.6% 0.192 135.1), rgb(87, 169, 0).
Aa
Black text reads best on this color (7.08:1).
About this color
#57A900 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.192 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leaf Green (#5CA904), ΔE 0.005 away. Black text reads best on it, at 7.08:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.192) |
| Temperature | in between |
| Nearest name | Leaf Green (#5CA904) |
| Black text | 7.08:1 |
| White text | 2.96:1 |
Values
| HEX | #57A900 |
| RGB | rgb(87, 169, 0) |
| HSL | hsl(89, 100%, 33%) |
| OKLCH | oklch(65.6% 0.192 135.1) |
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 #57A900 | 2.96:1 | Fails | Lc -61.2 | Content text, not long reading |
| Black text on #57A900 | 7.08:1 | AAA | Lc 48.2 | Large or bold text, headings |
| #57A900 text on white | 2.96:1 | Fails | Lc 55.8 | Large or bold text, headings |
| #57A900 text on black | 7.08:1 | AAA | Lc -46.0 | 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 500.
-
Step 50
50
#F2F7EF
oklch(97% 0.012 133.4)
-
Step 100
100
#E2EEDC
oklch(93.5% 0.027 135)
-
Step 200
200
#CBE1BF
oklch(88.4% 0.051 134.5)
-
Step 300
300
#A6CF91
oklch(80.9% 0.095 135.3)
-
Step 400
400
#75B54F
oklch(70.7% 0.151 135.3)
-
Step 500
500 (this color)
#57A900
oklch(65.6% 0.192 135.1)
-
Step 600
600
#448700
oklch(55.7% 0.163 135.2)
-
Step 700
700
#387100
oklch(49% 0.143 135.1)
-
Step 800
800
#2D5D00
oklch(42.7% 0.125 135.1)
-
Step 900
900
#244D00
oklch(37.5% 0.11 135.2)
-
Step 950
950
#132E00
oklch(26.9% 0.079 135.2)
#57A900 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) | #B09A00 | 0.117 |
| Deuteranopia (no green cones) | #A59322 | 0.116 |
| Tritanopia (no blue cones) | #54A28F | 0.140 |
| Achromatopsia (no color) | #969696 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57A900
#57A900
oklch(65.6% 0.192 135.1)
- #BC65E0
#BC65E0
oklch(65.6% 0.192 315)
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 #57A900, closest first.
No curated palette has a color within ΔE 0.04 of #57A900.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leaf Green #5CA904 ΔE 0.005
- Grass #5CAC2D ΔE 0.019
- Medium Green #39AD48 ΔE 0.037
- Kelly Green #02AB2E ΔE 0.037
- Leaf #71AA34 ΔE 0.039
- Mid Green #50A747 ΔE 0.040
- Leafy Green #51B73B ΔE 0.041
- Grassy Green #419C03 ΔE 0.045
Use #57A900 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.