#57BF81
Closest named color: Dark Mint (#48C072). oklch(72.7% 0.133 154.9), rgb(87, 191, 129).
Aa
Black text reads best on this color (9.17:1).
About this color
#57BF81 is a medium-light, moderately saturated green. In OKLCH its lightness is 73%, its chroma 0.133 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Mint (#48C072), ΔE 0.025 away. Black text reads best on it, at 9.17:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.133) |
| Temperature | in between |
| Nearest name | Dark Mint (#48C072) |
| Black text | 9.17:1 |
| White text | 2.28:1 |
Values
| HEX | #57BF81 |
| RGB | rgb(87, 191, 129) |
| HSL | hsl(144, 45%, 55%) |
| OKLCH | oklch(72.7% 0.133 154.9) |
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 #57BF81 | 2.28:1 | Fails | Lc -49.7 | Large or bold text, headings |
| Black text on #57BF81 | 9.17:1 | AAA | Lc 59.1 | Large or bold text, headings |
| #57BF81 text on white | 2.28:1 | Fails | Lc 44.9 | Non-text elements, placeholder text |
| #57BF81 text on black | 9.17:1 | AAA | Lc -57.2 | 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
#F0F8F2
oklch(97.1% 0.012 153.7)
-
Step 100
100
#DEEFE3
oklch(93.6% 0.024 155.1)
-
Step 200
200
#C2E3CC
oklch(88.6% 0.047 154.9)
-
Step 300
300
#95D1A9
oklch(80.9% 0.084 154.9)
-
Step 400
400 (this color)
#57BF81
oklch(72.7% 0.133 154.9)
-
Step 500
500
#00A45D
oklch(63.1% 0.157 154.8)
-
Step 600
600
#008A4E
oklch(55.6% 0.137 155)
-
Step 700
700
#007440
oklch(49.1% 0.122 154.8)
-
Step 800
800
#005F34
oklch(42.6% 0.105 155.1)
-
Step 900
900
#004F2A
oklch(37.6% 0.093 154.9)
-
Step 950
950
#003017
oklch(27.1% 0.068 154.6)
#57BF81 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) | #BEB17D | 0.119 |
| Deuteranopia (no green cones) | #B0A785 | 0.117 |
| Tritanopia (no blue cones) | #39BDAF | 0.066 |
| Achromatopsia (no color) | #ABABAB | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57BF81
#57BF81
oklch(72.7% 0.133 154.9)
- #DA85C8
#DA85C8
oklch(72.7% 0.134 335)
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 #57BF81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mint #48C072 ΔE 0.025
- Soft Green #6FC276 ΔE 0.026
- Greenblue #23C48B ΔE 0.026
- Green Blue #01C08D ΔE 0.033
- Dark Mint Green #20C073 ΔE 0.037
- Boring Green #63B365 ΔE 0.039
- Algae Green #21C36F ΔE 0.042
- Faded Green #7BB274 ΔE 0.043
Use #57BF81 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.