#57BB3A
Closest named color: Leafy Green (#51B73B). oklch(70.6% 0.19 139.5), rgb(87, 187, 58).
Aa
Black text reads best on this color (8.57:1).
About this color
#57BB3A is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.190 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.013 away. Black text reads best on it, at 8.57:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.190) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 8.57:1 |
| White text | 2.44:1 |
Values
| HEX | #57BB3A |
| RGB | rgb(87, 187, 58) |
| HSL | hsl(107, 53%, 48%) |
| OKLCH | oklch(70.6% 0.19 139.5) |
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 #57BB3A | 2.44:1 | Fails | Lc -52.8 | Large or bold text, headings |
| Black text on #57BB3A | 8.57:1 | AAA | Lc 56.2 | Large or bold text, headings |
| #57BB3A text on white | 2.44:1 | Fails | Lc 47.8 | Large or bold text, headings |
| #57BB3A text on black | 8.57:1 | AAA | Lc -54.2 | 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
#F0F8EE
oklch(97% 0.016 139.4)
-
Step 100
100
#DEF0DA
oklch(93.6% 0.035 140)
-
Step 200
200
#C3E4BB
oklch(88.4% 0.065 139.6)
-
Step 300
300
#98D389
oklch(80.8% 0.118 139.4)
-
Step 400
400 (this color)
#57BB3A
oklch(70.6% 0.19 139.5)
-
Step 500
500
#36A400
oklch(63.1% 0.201 139.5)
-
Step 600
600
#2C8A00
oklch(55.6% 0.177 139.5)
-
Step 700
700
#247400
oklch(49.1% 0.156 139.5)
-
Step 800
800
#1C5F00
oklch(42.6% 0.136 139.5)
-
Step 900
900
#165000
oklch(37.9% 0.121 139.5)
-
Step 950
950
#0A3000
oklch(27.2% 0.086 139.4)
#57BB3A 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) | #C0AB27 | 0.126 |
| Deuteranopia (no green cones) | #B3A246 | 0.127 |
| Tritanopia (no blue cones) | #4DB5A1 | 0.129 |
| Achromatopsia (no color) | #A5A5A5 | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57BB3A
#57BB3A
oklch(70.6% 0.19 139.5)
- #D273E9
#D273E9
oklch(70.6% 0.19 319.5)
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 #57BB3A, closest first.
No curated palette has a color within ΔE 0.04 of #57BB3A.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.013
- Frog Green #58BC08 ΔE 0.023
- Shamrock Green #02C14D ΔE 0.032
- Turtle Green #75B84F ΔE 0.038
- Dark Lime Green #7EBD01 ΔE 0.040
- Grass #5CAC2D ΔE 0.041
- Dark Lime #84B701 ΔE 0.042
- Cool Green #33B864 ΔE 0.045
Use #57BB3A 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.