#57B12E
Closest named color: Grass (#5CAC2D). oklch(67.9% 0.185 137.9), rgb(87, 177, 46).
Aa
Black text reads best on this color (7.73:1).
About this color
#57B12E is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.185 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass (#5CAC2D), ΔE 0.014 away. Black text reads best on it, at 7.73:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.185) |
| Temperature | in between |
| Nearest name | Grass (#5CAC2D) |
| Black text | 7.73:1 |
| White text | 2.71:1 |
Values
| HEX | #57B12E |
| RGB | rgb(87, 177, 46) |
| HSL | hsl(101, 59%, 44%) |
| OKLCH | oklch(67.9% 0.185 137.9) |
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 #57B12E | 2.71:1 | Fails | Lc -57.5 | Large or bold text, headings |
| Black text on #57B12E | 7.73:1 | AAA | Lc 51.7 | Large or bold text, headings |
| #57B12E text on white | 2.71:1 | Fails | Lc 52.3 | Large or bold text, headings |
| #57B12E text on black | 7.73:1 | AAA | Lc -49.6 | 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
#F1F8EE
oklch(97.1% 0.015 136.1)
-
Step 100
100
#DFF0DA
oklch(93.7% 0.034 138.6)
-
Step 200
200
#C5E4BB
oklch(88.6% 0.064 138.1)
-
Step 300
300
#9BD388
oklch(81% 0.117 138)
-
Step 400
400 (this color)
#57B12E
oklch(67.9% 0.185 137.9)
-
Step 500
500
#43A300
oklch(63.2% 0.195 137.9)
-
Step 600
600
#378900
oklch(55.7% 0.172 137.9)
-
Step 700
700
#2D7300
oklch(49.1% 0.151 137.9)
-
Step 800
800
#245E00
oklch(42.6% 0.131 137.7)
-
Step 900
900
#1C4F00
oklch(37.8% 0.117 138)
-
Step 950
950
#0E2F00
oklch(27% 0.083 137.8)
#57B12E 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) | #B7A214 | 0.119 |
| Deuteranopia (no green cones) | #AB9A3B | 0.120 |
| Tritanopia (no blue cones) | #50AB98 | 0.129 |
| Achromatopsia (no color) | #9D9D9D | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57B12E
#57B12E
oklch(67.9% 0.185 137.9)
- #C66DE1
#C66DE1
oklch(67.9% 0.185 317.9)
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 #57B12E, closest first.
No curated palette has a color within ΔE 0.04 of #57B12E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass #5CAC2D ΔE 0.014
- Leafy Green #51B73B ΔE 0.017
- Leaf Green #5CA904 ΔE 0.024
- Medium Green #39AD48 ΔE 0.032
- Leaf #71AA34 ΔE 0.032
- Shamrock #01B44C ΔE 0.037
- Frog Green #58BC08 ΔE 0.038
- Dark Pastel Green #56AE57 ΔE 0.040
Use #57B12E 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.