#57B03F
Closest named color: Grass (#5CAC2D). oklch(67.8% 0.173 139.6), rgb(87, 176, 63).
Aa
Black text reads best on this color (7.68:1).
About this color
#57B03F is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.173 and its hue 140°. 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 7.68:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Grass (#5CAC2D) |
| Black text | 7.68:1 |
| White text | 2.73:1 |
Values
| HEX | #57B03F |
| RGB | rgb(87, 176, 63) |
| HSL | hsl(107, 47%, 47%) |
| OKLCH | oklch(67.8% 0.173 139.6) |
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 #57B03F | 2.73:1 | Fails | Lc -57.8 | Large or bold text, headings |
| Black text on #57B03F | 7.68:1 | AAA | Lc 51.5 | Large or bold text, headings |
| #57B03F text on white | 2.73:1 | Fails | Lc 52.6 | Large or bold text, headings |
| #57B03F text on black | 7.68:1 | AAA | Lc -49.3 | 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
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#DFEFDC
oklch(93.5% 0.03 140.8)
-
Step 200
200
#C5E3BE
oklch(88.4% 0.059 139.8)
-
Step 300
300
#9CD28F
oklch(80.9% 0.108 139.6)
-
Step 400
400 (this color)
#57B03F
oklch(67.8% 0.173 139.6)
-
Step 500
500
#35A400
oklch(63.1% 0.201 139.6)
-
Step 600
600
#2B8A00
oklch(55.6% 0.178 139.6)
-
Step 700
700
#237400
oklch(49% 0.157 139.6)
-
Step 800
800
#1B5F00
oklch(42.6% 0.136 139.6)
-
Step 900
900
#155000
oklch(37.8% 0.121 139.7)
-
Step 950
950
#093000
oklch(27.1% 0.087 139.7)
#57B03F 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) | #B5A131 | 0.116 |
| Deuteranopia (no green cones) | #A99A48 | 0.115 |
| Tritanopia (no blue cones) | #4FAA98 | 0.117 |
| Achromatopsia (no color) | #9C9C9C | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57B03F
#57B03F
oklch(67.8% 0.173 139.6)
- #C570D9
#C570D9
oklch(67.9% 0.172 319.8)
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 #57B03F, closest first.
No curated palette has a color within ΔE 0.04 of #57B03F.
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 0.021
- Medium Green #39AD48 ΔE 0.025
- Dark Pastel Green #56AE57 ΔE 0.026
- Leaf #71AA34 ΔE 0.026
- Leaf Green #5CA904 ΔE 0.030
- Mid Green #50A747 ΔE 0.030
- Fern #63A950 ΔE 0.032
Use #57B03F 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.