#57A970
Closest named color: Algae (#54AC68). oklch(66.8% 0.117 151.9), rgb(87, 169, 112).
Aa
Black text reads best on this color (7.31:1).
About this color
#57A970 is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.117 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae (#54AC68), ΔE 0.016 away. Black text reads best on it, at 7.31:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Algae (#54AC68) |
| Black text | 7.31:1 |
| White text | 2.87:1 |
Values
| HEX | #57A970 |
| RGB | rgb(87, 169, 112) |
| HSL | hsl(138, 32%, 50%) |
| OKLCH | oklch(66.8% 0.117 151.9) |
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 #57A970 | 2.87:1 | Fails | Lc -60.0 | Content text, not long reading |
| Black text on #57A970 | 7.31:1 | AAA | Lc 49.3 | Large or bold text, headings |
| #57A970 text on white | 2.87:1 | Fails | Lc 54.7 | Large or bold text, headings |
| #57A970 text on black | 7.31:1 | AAA | Lc -47.1 | 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 500.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CAE0CF
oklch(88.6% 0.033 152.4)
-
Step 300
300
#A6CCAF
oklch(81% 0.057 152.1)
-
Step 400
400
#74B184
oklch(70.6% 0.091 151.8)
-
Step 500
500 (this color)
#57A970
oklch(66.8% 0.117 151.9)
-
Step 600
600
#28884C
oklch(55.6% 0.128 151.9)
-
Step 700
700
#18733D
oklch(49.1% 0.119 152)
-
Step 800
800
#195E33
oklch(42.8% 0.098 152)
-
Step 900
900
#1C4D2D
oklch(37.7% 0.076 152.3)
-
Step 950
950
#122D1A
oklch(27% 0.049 151.5)
#57A970 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) | #A99D6C | 0.101 |
| Deuteranopia (no green cones) | #9E9573 | 0.099 |
| Tritanopia (no blue cones) | #45A79A | 0.061 |
| Achromatopsia (no color) | #989898 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57A970
#57A970
oklch(66.8% 0.117 151.9)
- #BE79B5
#BE79B5
oklch(66.8% 0.117 331.6)
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 #57A970, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae #54AC68 ΔE 0.016
- Dark Seafoam Green #3EAF76 ΔE 0.021
- Tea #65AB7C ΔE 0.023
- Seaweed Green #35AD6B ΔE 0.028
- Dull Green #74A662 ΔE 0.029
- Bluey Green #2BB179 ΔE 0.031
- Medium Sea Green #3CB371 ΔE 0.032
- Dusty Green #76A973 ΔE 0.032
Use #57A970 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.