#57A660
Closest named color: Algae (#54AC68). oklch(65.7% 0.129 146.4), rgb(87, 166, 96).
Aa
Black text reads best on this color (7.02:1).
About this color
#57A660 is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.129 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae (#54AC68), ΔE 0.017 away. Black text reads best on it, at 7.02:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Algae (#54AC68) |
| Black text | 7.02:1 |
| White text | 2.98:1 |
Values
| HEX | #57A660 |
| RGB | rgb(87, 166, 96) |
| HSL | hsl(127, 31%, 50%) |
| OKLCH | oklch(65.7% 0.129 146.4) |
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 #57A660 | 2.98:1 | Fails | Lc -61.7 | Content text, not long reading |
| Black text on #57A660 | 7.02:1 | AAA | Lc 47.7 | Large or bold text, headings |
| #57A660 text on white | 2.98:1 | Fails | Lc 56.3 | Large or bold text, headings |
| #57A660 text on black | 7.02:1 | AAA | Lc -45.5 | 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 500.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EDE3
oklch(93.5% 0.018 148.1)
-
Step 200
200
#CBE0CC
oklch(88.6% 0.035 146.6)
-
Step 300
300
#A7CCA9
oklch(80.9% 0.063 146.4)
-
Step 400
400
#76B27B
oklch(70.8% 0.101 146.4)
-
Step 500
500 (this color)
#57A660
oklch(65.7% 0.129 146.4)
-
Step 600
600
#2E883D
oklch(55.6% 0.14 146.3)
-
Step 700
700
#1F732F
oklch(49% 0.13 146.4)
-
Step 800
800
#1D5E28
oklch(42.7% 0.108 146.4)
-
Step 900
900
#1F4D25
oklch(37.7% 0.083 146.3)
-
Step 950
950
#132D16
oklch(26.9% 0.053 146.4)
#57A660 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) | #A89A5B | 0.101 |
| Deuteranopia (no green cones) | #9D9264 | 0.100 |
| Tritanopia (no blue cones) | #4BA395 | 0.076 |
| Achromatopsia (no color) | #959595 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57A660
#57A660
oklch(65.7% 0.129 146.4)
- #BA74BB
#BA74BB
oklch(65.8% 0.128 326.4)
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 #57A660, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae #54AC68 ΔE 0.017
- Muted Green #5FA052 ΔE 0.019
- Off Green #6BA353 ΔE 0.021
- Fern #63A950 ΔE 0.024
- Seaweed Green #35AD6B ΔE 0.027
- Dark Pastel Green #56AE57 ΔE 0.029
- Flat Green #699D4C ΔE 0.030
- Dull Green #74A662 ΔE 0.030
Use #57A660 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.