#57B763
Closest named color: Boring Green (#63B365). oklch(70.1% 0.151 146.3), rgb(87, 183, 99).
Aa
Black text reads best on this color (8.35:1).
About this color
#57B763 is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.151 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Boring Green (#63B365), ΔE 0.016 away. Black text reads best on it, at 8.35:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Boring Green (#63B365) |
| Black text | 8.35:1 |
| White text | 2.51:1 |
Values
| HEX | #57B763 |
| RGB | rgb(87, 183, 99) |
| HSL | hsl(128, 40%, 53%) |
| OKLCH | oklch(70.1% 0.151 146.3) |
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 #57B763 | 2.51:1 | Fails | Lc -54.1 | Large or bold text, headings |
| Black text on #57B763 | 8.35:1 | AAA | Lc 55.0 | Large or bold text, headings |
| #57B763 text on white | 2.51:1 | Fails | Lc 49.0 | Large or bold text, headings |
| #57B763 text on black | 8.35:1 | AAA | Lc -52.9 | 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
#F0F8F1
oklch(97.1% 0.013 149.3)
-
Step 100
100
#DFEFDF
oklch(93.6% 0.027 145.4)
-
Step 200
200
#C4E3C5
oklch(88.5% 0.052 146)
-
Step 300
300
#99D19D
oklch(80.8% 0.093 146.5)
-
Step 400
400 (this color)
#57B763
oklch(70.1% 0.151 146.3)
-
Step 500
500
#00A637
oklch(63.1% 0.191 146.3)
-
Step 600
600
#008C2D
oklch(55.7% 0.169 146.3)
-
Step 700
700
#007524
oklch(49% 0.148 146.3)
-
Step 800
800
#00601C
oklch(42.6% 0.129 146.3)
-
Step 900
900
#005116
oklch(37.9% 0.115 146.2)
-
Step 950
950
#02300B
oklch(27% 0.079 146.2)
#57B763 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) | #B9A95C | 0.117 |
| Deuteranopia (no green cones) | #ACA069 | 0.116 |
| Tritanopia (no blue cones) | #46B3A3 | 0.090 |
| Achromatopsia (no color) | #A3A3A3 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57B763
#57B763
oklch(70.1% 0.151 146.3)
- #CE7BD0
#CE7BD0
oklch(70.1% 0.15 326.2)
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 #57B763, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Boring Green #63B365 ΔE 0.016
- Cool Green #33B864 ΔE 0.022
- Dark Mint #48C072 ΔE 0.026
- Dark Pastel Green #56AE57 ΔE 0.026
- Medium Sea Green #3CB371 ΔE 0.029
- Turtle Green #75B84F ΔE 0.032
- Dark Mint Green #20C073 ΔE 0.033
- Algae #54AC68 ΔE 0.035
Use #57B763 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.