#57CE6C
Closest named color: Seaweed (#18D17B). oklch(76.1% 0.174 147.1), rgb(87, 206, 108).
Aa
Black text reads best on this color (10.45:1).
About this color
#57CE6C is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.174 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.027 away. Black text reads best on it, at 10.45:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.45:1 |
| White text | 2.00:1 |
Values
| HEX | #57CE6C |
| RGB | rgb(87, 206, 108) |
| HSL | hsl(131, 55%, 57%) |
| OKLCH | oklch(76.1% 0.174 147.1) |
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 #57CE6C | 2.00:1 | Fails | Lc -43.1 | Non-text elements, placeholder text |
| Black text on #57CE6C | 10.45:1 | AAA | Lc 65.3 | Content text, not long reading |
| #57CE6C text on white | 2.00:1 | Fails | Lc 38.6 | Non-text elements, placeholder text |
| #57CE6C text on black | 10.45:1 | AAA | Lc -63.7 | 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
#ECFAED
oklch(97.1% 0.023 147.5)
-
Step 100
100
#D5F4D7
oklch(93.7% 0.05 146.9)
-
Step 200
200
#AFEBB4
oklch(88.5% 0.097 146.8)
-
Step 300
300 (this color)
#57CE6C
oklch(76.1% 0.174 147.1)
-
Step 400
400
#00C148
oklch(70.7% 0.209 147.2)
-
Step 500
500
#00A63C
oklch(63.2% 0.188 147.1)
-
Step 600
600
#008B31
oklch(55.5% 0.165 147.1)
-
Step 700
700
#007528
oklch(49% 0.145 147.1)
-
Step 800
800
#006020
oklch(42.6% 0.126 147.3)
-
Step 900
900
#005019
oklch(37.6% 0.111 147.2)
-
Step 950
950
#00300C
oklch(26.9% 0.079 147.3)
#57CE6C 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) | #D0BD64 | 0.137 |
| Deuteranopia (no green cones) | #C1B373 | 0.136 |
| Tritanopia (no blue cones) | #3CCAB7 | 0.102 |
| Achromatopsia (no color) | #B7B7B7 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57CE6C
#57CE6C
oklch(76.1% 0.174 147.1)
- #EA86EA
#EA86EA
oklch(76.1% 0.174 327.1)
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 #57CE6C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.027
- Apple #6ECB3C ΔE 0.041
- Soft Green #6FC276 ΔE 0.043
- Algae Green #21C36F ΔE 0.045
- Dark Mint #48C072 ΔE 0.045
- Fresh Green #69D84F ΔE 0.047
- Dark Mint Green #20C073 ΔE 0.054
- Apple Green #76CD26 ΔE 0.054
Use #57CE6C 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.