#57C249
Closest named color: Leafy Green (#51B73B). oklch(72.5% 0.188 141.4), rgb(87, 194, 73).
Aa
Black text reads best on this color (9.21:1).
About this color
#57C249 is a medium-light, vivid green. In OKLCH its lightness is 73%, its chroma 0.188 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.032 away. Black text reads best on it, at 9.21:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.188) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 9.21:1 |
| White text | 2.27:1 |
Values
| HEX | #57C249 |
| RGB | rgb(87, 194, 73) |
| HSL | hsl(113, 50%, 52%) |
| OKLCH | oklch(72.5% 0.188 141.4) |
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 #57C249 | 2.27:1 | Fails | Lc -49.4 | Large or bold text, headings |
| Black text on #57C249 | 9.21:1 | AAA | Lc 59.4 | Large or bold text, headings |
| #57C249 text on white | 2.27:1 | Fails | Lc 44.6 | Non-text elements, placeholder text |
| #57C249 text on black | 9.21:1 | AAA | Lc -57.5 | 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
#DEF0DB
oklch(93.6% 0.034 141.2)
-
Step 200
200
#C2E5BD
oklch(88.6% 0.065 141.6)
-
Step 300
300
#95D48C
oklch(80.9% 0.118 141.4)
-
Step 400
400 (this color)
#57C249
oklch(72.5% 0.188 141.4)
-
Step 500
500
#1FA600
oklch(63.1% 0.21 141.4)
-
Step 600
600
#198C00
oklch(55.7% 0.185 141.4)
-
Step 700
700
#137500
oklch(49% 0.163 141.4)
-
Step 800
800
#0E6000
oklch(42.6% 0.141 141.4)
-
Step 900
900
#0A5000
oklch(37.6% 0.125 141.4)
-
Step 950
950
#043000
oklch(26.9% 0.089 141.3)
#57C249 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) | #C7B13B | 0.132 |
| Deuteranopia (no green cones) | #B9A853 | 0.132 |
| Tritanopia (no blue cones) | #49BCA8 | 0.123 |
| Achromatopsia (no color) | #ACACAC | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57C249
#57C249
oklch(72.5% 0.188 141.4)
- #DB79EC
#DB79EC
oklch(72.6% 0.188 321.5)
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 #57C249, closest first.
No curated palette has a color within ΔE 0.04 of #57C249.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.032
- Shamrock Green #02C14D ΔE 0.033
- Frog Green #58BC08 ΔE 0.034
- Apple #6ECB3C ΔE 0.036
- Turtle Green #75B84F ΔE 0.039
- Dark Lime Green #7EBD01 ΔE 0.040
- Algae Green #21C36F ΔE 0.041
- Lime Green #32CD32 ΔE 0.044
Use #57C249 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.