#57A565
Closest named color: Algae (#54AC68). oklch(65.5% 0.122 148.1), rgb(87, 165, 101).
Aa
Black text reads best on this color (6.97:1).
About this color
#57A565 is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.122 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae (#54AC68), ΔE 0.020 away. Black text reads best on it, at 6.97:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Algae (#54AC68) |
| Black text | 6.97:1 |
| White text | 3.01:1 |
Values
| HEX | #57A565 |
| RGB | rgb(87, 165, 101) |
| HSL | hsl(131, 31%, 49%) |
| OKLCH | oklch(65.5% 0.122 148.1) |
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 #57A565 | 3.01:1 | AA large text | Lc -62.0 | Content text, not long reading |
| Black text on #57A565 | 6.97:1 | AA | Lc 47.4 | Large or bold text, headings |
| #57A565 text on white | 3.01:1 | AA large text | Lc 56.6 | Large or bold text, headings |
| #57A565 text on black | 6.97:1 | AA | Lc -45.1 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EDE3
oklch(93.5% 0.018 148.1)
-
Step 200
200
#CBE0CD
oklch(88.6% 0.034 148)
-
Step 300
300
#A7CCAB
oklch(80.9% 0.061 148)
-
Step 400
400
#76B17F
oklch(70.6% 0.095 148.4)
-
Step 500
500 (this color)
#57A565
oklch(65.5% 0.122 148.1)
-
Step 600
600
#2F8844
oklch(55.7% 0.133 148.1)
-
Step 700
700
#207335
oklch(49.1% 0.124 148)
-
Step 800
800
#1D5E2D
oklch(42.8% 0.102 148.3)
-
Step 900
900
#1F4D28
oklch(37.7% 0.08 147.9)
-
Step 950
950
#132D18
oklch(27% 0.05 148.5)
#57A565 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) | #A79961 | 0.100 |
| Deuteranopia (no green cones) | #9B9269 | 0.097 |
| Tritanopia (no blue cones) | #49A295 | 0.070 |
| Achromatopsia (no color) | #959595 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57A565
#57A565
oklch(65.5% 0.122 148.1)
- #B974B6
#B974B6
oklch(65.5% 0.123 328.4)
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 #57A565, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae #54AC68 ΔE 0.020
- Muted Green #5FA052 ΔE 0.022
- Off Green #6BA353 ΔE 0.024
- Seaweed Green #35AD6B ΔE 0.029
- Dull Green #74A662 ΔE 0.030
- Dark Seafoam Green #3EAF76 ΔE 0.031
- Fern #63A950 ΔE 0.031
- Flat Green #699D4C ΔE 0.031
Use #57A565 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.