#57C351
Closest named color: Shamrock Green (#02C14D). oklch(72.9% 0.183 142.5), rgb(87, 195, 81).
Aa
Black text reads best on this color (9.33:1).
About this color
#57C351 is a medium-light, vivid green. In OKLCH its lightness is 73%, its chroma 0.183 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock Green (#02C14D), ΔE 0.036 away. Black text reads best on it, at 9.33:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.183) |
| Temperature | in between |
| Nearest name | Shamrock Green (#02C14D) |
| Black text | 9.33:1 |
| White text | 2.25:1 |
Values
| HEX | #57C351 |
| RGB | rgb(87, 195, 81) |
| HSL | hsl(117, 49%, 54%) |
| OKLCH | oklch(72.9% 0.183 142.5) |
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 #57C351 | 2.25:1 | Fails | Lc -48.8 | Large or bold text, headings |
| Black text on #57C351 | 9.33:1 | AAA | Lc 59.9 | Large or bold text, headings |
| #57C351 text on white | 2.25:1 | Fails | Lc 44.0 | Non-text elements, placeholder text |
| #57C351 text on black | 9.33:1 | AAA | Lc -58.1 | 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
#DEF0DC
oklch(93.6% 0.033 142.5)
-
Step 200
200
#C2E4BE
oklch(88.4% 0.063 142.2)
-
Step 300
300
#95D48F
oklch(81% 0.115 142.4)
-
Step 400
400 (this color)
#57C351
oklch(72.9% 0.183 142.5)
-
Step 500
500
#00A701
oklch(63.1% 0.215 142.5)
-
Step 600
600
#008C01
oklch(55.5% 0.188 142.5)
-
Step 700
700
#007601
oklch(49% 0.166 142.6)
-
Step 800
800
#006100
oklch(42.7% 0.145 142.5)
-
Step 900
900
#005100
oklch(37.7% 0.128 142.5)
-
Step 950
950
#003100
oklch(27.1% 0.092 142.5)
#57C351 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) | #C7B345 | 0.131 |
| Deuteranopia (no green cones) | #B9A95A | 0.131 |
| Tritanopia (no blue cones) | #47BEAA | 0.117 |
| Achromatopsia (no color) | #ADADAD | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57C351
#57C351
oklch(72.9% 0.183 142.5)
- #DC7BEA
#DC7BEA
oklch(72.9% 0.183 322.4)
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 #57C351, closest first.
No curated palette has a color within ΔE 0.04 of #57C351.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock Green #02C14D ΔE 0.036
- Leafy Green #51B73B ΔE 0.036
- Apple #6ECB3C ΔE 0.037
- Algae Green #21C36F ΔE 0.037
- Turtle Green #75B84F ΔE 0.037
- Dark Mint #48C072 ΔE 0.039
- Frog Green #58BC08 ΔE 0.041
- Dark Lime Green #7EBD01 ΔE 0.044
Use #57C351 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.