#57C057
Closest named color: Dark Mint (#48C072). oklch(72.2% 0.174 143.5), rgb(87, 192, 87).
Aa
Black text reads best on this color (9.08:1).
About this color
#57C057 is a medium-light, vivid green. In OKLCH its lightness is 72%, its chroma 0.174 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Mint (#48C072), ΔE 0.030 away. Black text reads best on it, at 9.08:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Dark Mint (#48C072) |
| Black text | 9.08:1 |
| White text | 2.31:1 |
Values
| HEX | #57C057 |
| RGB | rgb(87, 192, 87) |
| HSL | hsl(120, 45%, 55%) |
| OKLCH | oklch(72.2% 0.174 143.5) |
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 #57C057 | 2.31:1 | Fails | Lc -50.2 | Large or bold text, headings |
| Black text on #57C057 | 9.08:1 | AAA | Lc 58.7 | Large or bold text, headings |
| #57C057 text on white | 2.31:1 | Fails | Lc 45.3 | Large or bold text, headings |
| #57C057 text on black | 9.08:1 | AAA | Lc -56.8 | 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
#DEF0DD
oklch(93.7% 0.032 143.9)
-
Step 200
200
#C2E4C0
oklch(88.5% 0.06 143.6)
-
Step 300
300
#96D393
oklch(80.9% 0.108 143.4)
-
Step 400
400 (this color)
#57C057
oklch(72.2% 0.174 143.5)
-
Step 500
500
#00A71A
oklch(63.2% 0.208 143.5)
-
Step 600
600
#008C15
oklch(55.5% 0.183 143.5)
-
Step 700
700
#007610
oklch(49.1% 0.161 143.5)
-
Step 800
800
#00610B
oklch(42.7% 0.141 143.5)
-
Step 900
900
#005107
oklch(37.7% 0.124 143.4)
-
Step 950
950
#003103
oklch(27.2% 0.089 143.6)
#57C057 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) | #C4B04D | 0.129 |
| Deuteranopia (no green cones) | #B6A75F | 0.127 |
| Tritanopia (no blue cones) | #47BBA8 | 0.109 |
| Achromatopsia (no color) | #AAAAAA | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57C057
#57C057
oklch(72.2% 0.174 143.5)
- #D97BE3
#D97BE3
oklch(72.2% 0.175 323.6)
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 #57C057, closest first.
No curated palette has a color within ΔE 0.04 of #57C057.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mint #48C072 ΔE 0.030
- Turtle Green #75B84F ΔE 0.030
- Algae Green #21C36F ΔE 0.031
- Leafy Green #51B73B ΔE 0.033
- Dark Mint Green #20C073 ΔE 0.037
- Shamrock Green #02C14D ΔE 0.037
- Cool Green #33B864 ΔE 0.038
- Soft Green #6FC276 ΔE 0.044
Use #57C057 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.