#57BB55
Closest named color: Leafy Green (#51B73B). oklch(70.9% 0.169 143.2), rgb(87, 187, 85).
Aa
Black text reads best on this color (8.64:1).
About this color
#57BB55 is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.169 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.026 away. Black text reads best on it, at 8.64:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.169) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 8.64:1 |
| White text | 2.42:1 |
Values
| HEX | #57BB55 |
| RGB | rgb(87, 187, 85) |
| HSL | hsl(119, 43%, 53%) |
| OKLCH | oklch(70.9% 0.169 143.2) |
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 #57BB55 | 2.42:1 | Fails | Lc -52.5 | Large or bold text, headings |
| Black text on #57BB55 | 8.64:1 | AAA | Lc 56.5 | Large or bold text, headings |
| #57BB55 text on white | 2.42:1 | Fails | Lc 47.5 | Large or bold text, headings |
| #57BB55 text on black | 8.64:1 | AAA | Lc -54.5 | 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
#DEF0DD
oklch(93.7% 0.032 143.9)
-
Step 200
200
#C3E4C1
oklch(88.6% 0.059 143.5)
-
Step 300
300
#98D394
oklch(81% 0.106 143)
-
Step 400
400 (this color)
#57BB55
oklch(70.9% 0.169 143.2)
-
Step 500
500
#00A715
oklch(63.2% 0.21 143.2)
-
Step 600
600
#008C10
oklch(55.5% 0.184 143.2)
-
Step 700
700
#00760B
oklch(49.1% 0.163 143.2)
-
Step 800
800
#006107
oklch(42.7% 0.142 143.1)
-
Step 900
900
#005105
oklch(37.7% 0.126 143.2)
-
Step 950
950
#003002
oklch(26.8% 0.089 143.2)
#57BB55 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) | #BFAC4B | 0.124 |
| Deuteranopia (no green cones) | #B1A35C | 0.122 |
| Tritanopia (no blue cones) | #48B6A4 | 0.107 |
| Achromatopsia (no color) | #A6A6A6 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57BB55
#57BB55
oklch(70.9% 0.169 143.2)
- #D279DD
#D279DD
oklch(70.9% 0.168 323)
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 #57BB55, closest first.
No curated palette has a color within ΔE 0.04 of #57BB55.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.026
- Turtle Green #75B84F ΔE 0.026
- Cool Green #33B864 ΔE 0.029
- Dark Mint #48C072 ΔE 0.030
- Algae Green #21C36F ΔE 0.034
- Boring Green #63B365 ΔE 0.035
- Dark Mint Green #20C073 ΔE 0.036
- Dark Pastel Green #56AE57 ΔE 0.039
Use #57BB55 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.