#57CC6A
Closest named color: Seaweed (#18D17B). oklch(75.5% 0.173 146.8), rgb(87, 204, 106).
Aa
Black text reads best on this color (10.25:1).
About this color
#57CC6A is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.173 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.028 away. Black text reads best on it, at 10.25:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.25:1 |
| White text | 2.04:1 |
Values
| HEX | #57CC6A |
| RGB | rgb(87, 204, 106) |
| HSL | hsl(130, 53%, 57%) |
| OKLCH | oklch(75.5% 0.173 146.8) |
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 #57CC6A | 2.04:1 | Fails | Lc -44.1 | Non-text elements, placeholder text |
| Black text on #57CC6A | 10.25:1 | AAA | Lc 64.3 | Content text, not long reading |
| #57CC6A text on white | 2.04:1 | Fails | Lc 39.6 | Non-text elements, placeholder text |
| #57CC6A text on black | 10.25:1 | AAA | Lc -62.7 | 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 400.
-
Step 50
50
#EFF8F0
oklch(97% 0.014 148.8)
-
Step 100
100
#DDF0DE
oklch(93.6% 0.031 146.8)
-
Step 200
200
#C0E5C2
oklch(88.6% 0.061 146.5)
-
Step 300
300
#91D497
oklch(80.9% 0.109 146.7)
-
Step 400
400 (this color)
#57CC6A
oklch(75.5% 0.173 146.8)
-
Step 500
500
#00A63A
oklch(63.2% 0.189 146.7)
-
Step 600
600
#008B30
oklch(55.5% 0.165 146.9)
-
Step 700
700
#007527
oklch(49% 0.146 146.9)
-
Step 800
800
#00601E
oklch(42.6% 0.127 146.7)
-
Step 900
900
#005018
oklch(37.6% 0.112 146.9)
-
Step 950
950
#00300B
oklch(26.9% 0.08 146.8)
#57CC6A 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) | #CEBC62 | 0.135 |
| Deuteranopia (no green cones) | #BFB171 | 0.134 |
| Tritanopia (no blue cones) | #3EC8B5 | 0.102 |
| Achromatopsia (no color) | #B5B5B5 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57CC6A
#57CC6A
oklch(75.5% 0.173 146.8)
- #E784E8
#E784E8
oklch(75.4% 0.173 326.8)
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 #57CC6A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.028
- Soft Green #6FC276 ΔE 0.040
- Apple #6ECB3C ΔE 0.040
- Dark Mint #48C072 ΔE 0.041
- Algae Green #21C36F ΔE 0.041
- Dark Mint Green #20C073 ΔE 0.050
- Fresh Green #69D84F ΔE 0.050
- Apple Green #76CD26 ΔE 0.055
Use #57CC6A 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.