#57D988
Closest named color: Aqua Green (#12E193). oklch(79.3% 0.163 153.1), rgb(87, 217, 136).
Aa
Black text reads best on this color (11.68:1).
About this color
#57D988 is a light, vivid green. In OKLCH its lightness is 79%, its chroma 0.163 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Green (#12E193), ΔE 0.028 away. Black text reads best on it, at 11.68:1.
| Hue family | Greens |
| Lightness | light (79%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Aqua Green (#12E193) |
| Black text | 11.68:1 |
| White text | 1.79:1 |
Values
| HEX | #57D988 |
| RGB | rgb(87, 217, 136) |
| HSL | hsl(143, 63%, 60%) |
| OKLCH | oklch(79.3% 0.163 153.1) |
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 #57D988 | 1.79:1 | Fails | Lc -37.0 | Non-text elements, placeholder text |
| Black text on #57D988 | 11.68:1 | AAA | Lc 70.9 | Content text, not long reading |
| #57D988 text on white | 1.79:1 | Fails | Lc 33.0 | Non-text elements, placeholder text |
| #57D988 text on black | 11.68:1 | AAA | Lc -69.7 | Content text, not long reading |
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 300.
-
Step 50
50
#EBFAEF
oklch(97.1% 0.021 154.1)
-
Step 100
100
#D3F4DB
oklch(93.7% 0.048 152.7)
-
Step 200
200
#ABEBBD
oklch(88.5% 0.09 153.1)
-
Step 300
300 (this color)
#57D988
oklch(79.3% 0.163 153.1)
-
Step 400
400
#00C067
oklch(70.8% 0.182 153.1)
-
Step 500
500
#00A457
oklch(63% 0.162 153)
-
Step 600
600
#008A49
oklch(55.5% 0.142 153.3)
-
Step 700
700
#00743C
oklch(49% 0.126 153.1)
-
Step 800
800
#005F30
oklch(42.6% 0.109 153.1)
-
Step 900
900
#005027
oklch(37.8% 0.098 152.9)
-
Step 950
950
#003015
oklch(27.1% 0.07 152.9)
#57D988 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) | #D9C983 | 0.141 |
| Deuteranopia (no green cones) | #C8BC8D | 0.140 |
| Tritanopia (no blue cones) | #29D6C4 | 0.084 |
| Achromatopsia (no color) | #C1C1C1 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57D988
#57D988
oklch(79.3% 0.163 153.1)
- #F891E8
#F891E8
oklch(79.3% 0.163 332.9)
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 #57D988, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Green #12E193 ΔE 0.028
- Weird Green #3AE57F ΔE 0.040
- Seaweed #18D17B ΔE 0.041
- Emerald #06D6A0 ΔE 0.041
- Fresh Green #69D84F ΔE 0.058
- Soft Green #6FC276 ΔE 0.061
- Aqua Marine #2EE8BB ΔE 0.064
- Medium Aquamarine #66CDAA ΔE 0.067
Use #57D988 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.