#57A366
Closest named color: Muted Green (#5FA052). oklch(65% 0.118 148.7), rgb(87, 163, 102).
Aa
Black text reads best on this color (6.83:1).
About this color
#57A366 is a medium-light, moderately saturated green. In OKLCH its lightness is 65%, its chroma 0.118 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Green (#5FA052), ΔE 0.022 away. Black text reads best on it, at 6.83:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.83:1 |
| White text | 3.07:1 |
Values
| HEX | #57A366 |
| RGB | rgb(87, 163, 102) |
| HSL | hsl(132, 30%, 49%) |
| OKLCH | oklch(65% 0.118 148.7) |
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 #57A366 | 3.07:1 | AA large text | Lc -62.8 | Content text, not long reading |
| Black text on #57A366 | 6.83:1 | AA | Lc 46.6 | Large or bold text, headings |
| #57A366 text on white | 3.07:1 | AA large text | Lc 57.4 | Large or bold text, headings |
| #57A366 text on black | 6.83:1 | AA | Lc -44.3 | Non-text elements, placeholder text |
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
#E3EDE4
oklch(93.6% 0.016 148.4)
-
Step 200
200
#CBDFCE
oklch(88.4% 0.031 149.8)
-
Step 300
300
#A8CCAC
oklch(81% 0.059 148.1)
-
Step 400
400
#77B181
oklch(70.7% 0.092 149)
-
Step 500
500 (this color)
#57A366
oklch(65% 0.118 148.7)
-
Step 600
600
#318746
oklch(55.5% 0.128 148.6)
-
Step 700
700
#227338
oklch(49.2% 0.12 148.7)
-
Step 800
800
#1F5D2F
oklch(42.6% 0.098 148.9)
-
Step 900
900
#204D2A
oklch(37.8% 0.077 148.8)
-
Step 950
950
#142D19
oklch(27% 0.048 148.8)
#57A366 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) | #A49862 | 0.096 |
| Deuteranopia (no green cones) | #99906A | 0.095 |
| Tritanopia (no blue cones) | #4AA094 | 0.068 |
| Achromatopsia (no color) | #939393 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57A366
#57A366
oklch(65% 0.118 148.7)
- #B674B3
#B674B3
oklch(65% 0.118 328.4)
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 #57A366, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.022
- Algae #54AC68 ΔE 0.026
- Off Green #6BA353 ΔE 0.027
- Flat Green #699D4C ΔE 0.031
- Dull Green #74A662 ΔE 0.032
- Seaweed Green #35AD6B ΔE 0.033
- Jade #1FA774 ΔE 0.033
- Dark Seafoam Green #3EAF76 ΔE 0.035
Use #57A366 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.