#57B454
Closest named color: Dark Pastel Green (#56AE57). oklch(69.1% 0.16 143), rgb(87, 180, 84).
Aa
Black text reads best on this color (8.06:1).
About this color
#57B454 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.160 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Pastel Green (#56AE57), ΔE 0.019 away. Black text reads best on it, at 8.06:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Dark Pastel Green (#56AE57) |
| Black text | 8.06:1 |
| White text | 2.60:1 |
Values
| HEX | #57B454 |
| RGB | rgb(87, 180, 84) |
| HSL | hsl(118, 39%, 52%) |
| OKLCH | oklch(69.1% 0.16 143) |
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 #57B454 | 2.60:1 | Fails | Lc -55.7 | Large or bold text, headings |
| Black text on #57B454 | 8.06:1 | AAA | Lc 53.4 | Large or bold text, headings |
| #57B454 text on white | 2.60:1 | Fails | Lc 50.6 | Large or bold text, headings |
| #57B454 text on black | 8.06:1 | AAA | Lc -51.3 | 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
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DFEFDE
oklch(93.6% 0.028 143.7)
-
Step 200
200
#C4E3C2
oklch(88.4% 0.055 143.5)
-
Step 300
300
#9AD296
oklch(81% 0.101 143)
-
Step 400
400 (this color)
#57B454
oklch(69.1% 0.16 143)
-
Step 500
500
#13A61B
oklch(63.1% 0.205 143)
-
Step 600
600
#008C0D
oklch(55.5% 0.185 143.1)
-
Step 700
700
#007609
oklch(49.1% 0.164 143)
-
Step 800
800
#006106
oklch(42.7% 0.143 143.1)
-
Step 900
900
#005104
oklch(37.7% 0.126 143)
-
Step 950
950
#043004
oklch(27% 0.085 142.8)
#57B454 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) | #B8A54B | 0.118 |
| Deuteranopia (no green cones) | #AB9D5B | 0.117 |
| Tritanopia (no blue cones) | #4AAF9E | 0.102 |
| Achromatopsia (no color) | #A0A0A0 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57B454
#57B454
oklch(69.1% 0.16 143)
- #CA76D4
#CA76D4
oklch(69.1% 0.16 323.2)
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 #57B454, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pastel Green #56AE57 ΔE 0.019
- Cool Green #33B864 ΔE 0.024
- Boring Green #63B365 ΔE 0.025
- Leafy Green #51B73B ΔE 0.028
- Fern #63A950 ΔE 0.031
- Turtle Green #75B84F ΔE 0.032
- Medium Green #39AD48 ΔE 0.034
- Grass #5CAC2D ΔE 0.034
Use #57B454 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.