#57CF7D
Closest named color: Seaweed (#18D17B). oklch(76.6% 0.159 151.2), rgb(87, 207, 125).
Aa
Black text reads best on this color (10.62:1).
About this color
#57CF7D is a medium-light, vivid green. In OKLCH its lightness is 77%, its chroma 0.159 and its hue 151°. 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 10.62:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.62:1 |
| White text | 1.97:1 |
Values
| HEX | #57CF7D |
| RGB | rgb(87, 207, 125) |
| HSL | hsl(139, 56%, 58%) |
| OKLCH | oklch(76.6% 0.159 151.2) |
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 #57CF7D | 1.97:1 | Fails | Lc -42.2 | Non-text elements, placeholder text |
| Black text on #57CF7D | 10.62:1 | AAA | Lc 66.1 | Content text, not long reading |
| #57CF7D text on white | 1.97:1 | Fails | Lc 37.8 | Non-text elements, placeholder text |
| #57CF7D text on black | 10.62:1 | AAA | Lc -64.6 | 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
#ECFAEE
oklch(97.1% 0.022 149.7)
-
Step 100
100
#D4F3DB
oklch(93.5% 0.046 152.1)
-
Step 200
200
#AEEABC
oklch(88.4% 0.088 151.5)
-
Step 300
300 (this color)
#57CF7D
oklch(76.6% 0.159 151.2)
-
Step 400
400
#00C05F
oklch(70.7% 0.189 151.2)
-
Step 500
500
#00A550
oklch(63.2% 0.17 151.1)
-
Step 600
600
#008B43
oklch(55.7% 0.149 151.3)
-
Step 700
700
#007537
oklch(49.2% 0.132 151.1)
-
Step 800
800
#00602C
oklch(42.8% 0.115 151.2)
-
Step 900
900
#005024
oklch(37.7% 0.101 151.4)
-
Step 950
950
#003013
oklch(27.1% 0.072 151.4)
#57CF7D 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) | #D0BF77 | 0.135 |
| Deuteranopia (no green cones) | #C0B482 | 0.133 |
| Tritanopia (no blue cones) | #35CCBB | 0.086 |
| Achromatopsia (no color) | #B8B8B8 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57CF7D
#57CF7D
oklch(76.6% 0.159 151.2)
- #EC8AE1
#EC8AE1
oklch(76.6% 0.16 331.2)
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 #57CF7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.027
- Soft Green #6FC276 ΔE 0.037
- Emerald #06D6A0 ΔE 0.044
- Dark Mint #48C072 ΔE 0.045
- Algae Green #21C36F ΔE 0.049
- Greenblue #23C48B ΔE 0.049
- Aqua Green #12E193 ΔE 0.049
- Dark Mint Green #20C073 ΔE 0.055
Use #57CF7D 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.