#57BF3B
Closest named color: Frog Green (#58BC08). oklch(71.6% 0.194 139.8), rgb(87, 191, 59).
Aa
Black text reads best on this color (8.92:1).
About this color
#57BF3B is a medium-light, vivid green. In OKLCH its lightness is 72%, its chroma 0.194 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Frog Green (#58BC08), ΔE 0.022 away. Black text reads best on it, at 8.92:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.194) |
| Temperature | in between |
| Nearest name | Frog Green (#58BC08) |
| Black text | 8.92:1 |
| White text | 2.35:1 |
Values
| HEX | #57BF3B |
| RGB | rgb(87, 191, 59) |
| HSL | hsl(107, 53%, 49%) |
| OKLCH | oklch(71.6% 0.194 139.8) |
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 #57BF3B | 2.35:1 | Fails | Lc -51.0 | Large or bold text, headings |
| Black text on #57BF3B | 8.92:1 | AAA | Lc 57.9 | Large or bold text, headings |
| #57BF3B text on white | 2.35:1 | Fails | Lc 46.1 | Large or bold text, headings |
| #57BF3B text on black | 8.92:1 | AAA | Lc -56.0 | 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
#C2E5BA
oklch(88.5% 0.069 139.8)
-
Step 300
300
#96D488
oklch(80.9% 0.122 139.9)
-
Step 400
400 (this color)
#57BF3B
oklch(71.6% 0.194 139.8)
-
Step 500
500
#34A400
oklch(63% 0.202 139.7)
-
Step 600
600
#2A8A00
oklch(55.5% 0.178 139.8)
-
Step 700
700
#227400
oklch(49% 0.157 139.8)
-
Step 800
800
#1A5F00
oklch(42.6% 0.136 139.8)
-
Step 900
900
#155000
oklch(37.8% 0.121 139.7)
-
Step 950
950
#093000
oklch(27.1% 0.087 139.7)
#57BF3B 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) | #C4AE27 | 0.130 |
| Deuteranopia (no green cones) | #B7A647 | 0.130 |
| Tritanopia (no blue cones) | #4CB9A5 | 0.132 |
| Achromatopsia (no color) | #A9A9A9 | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57BF3B
#57BF3B
oklch(71.6% 0.194 139.8)
- #D775EE
#D775EE
oklch(71.7% 0.194 319.7)
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 #57BF3B, closest first.
No curated palette has a color within ΔE 0.04 of #57BF3B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Frog Green #58BC08 ΔE 0.022
- Leafy Green #51B73B ΔE 0.024
- Shamrock Green #02C14D ΔE 0.032
- Dark Lime Green #7EBD01 ΔE 0.036
- Turtle Green #75B84F ΔE 0.041
- Apple #6ECB3C ΔE 0.042
- Dark Lime #84B701 ΔE 0.043
- Lime Green #32CD32 ΔE 0.044
Use #57BF3B 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.