#57BB1F
Closest named color: Frog Green (#58BC08). oklch(70.4% 0.204 137.5), rgb(87, 187, 31).
Aa
Black text reads best on this color (8.53:1).
About this color
#57BB1F is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.204 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Frog Green (#58BC08), ΔE 0.008 away. Black text reads best on it, at 8.53:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.204) |
| Temperature | in between |
| Nearest name | Frog Green (#58BC08) |
| Black text | 8.53:1 |
| White text | 2.46:1 |
Values
| HEX | #57BB1F |
| RGB | rgb(87, 187, 31) |
| HSL | hsl(98, 72%, 43%) |
| OKLCH | oklch(70.4% 0.204 137.5) |
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 #57BB1F | 2.46:1 | Fails | Lc -53.0 | Large or bold text, headings |
| Black text on #57BB1F | 8.53:1 | AAA | Lc 56.0 | Large or bold text, headings |
| #57BB1F text on white | 2.46:1 | Fails | Lc 48.0 | Large or bold text, headings |
| #57BB1F text on black | 8.53:1 | AAA | Lc -54.0 | 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
#F0F8ED
oklch(97% 0.017 137)
-
Step 100
100
#DEF0D8
oklch(93.5% 0.037 137.8)
-
Step 200
200
#C3E5B7
oklch(88.5% 0.071 137.6)
-
Step 300
300
#98D481
oklch(80.9% 0.128 137.4)
-
Step 400
400 (this color)
#57BB1F
oklch(70.4% 0.204 137.5)
-
Step 500
500
#45A200
oklch(63% 0.193 137.5)
-
Step 600
600
#398800
oklch(55.5% 0.17 137.5)
-
Step 700
700
#2F7300
oklch(49.2% 0.15 137.5)
-
Step 800
800
#255E00
oklch(42.7% 0.13 137.5)
-
Step 900
900
#1E4F00
oklch(37.9% 0.116 137.5)
-
Step 950
950
#0F2F00
oklch(27% 0.083 137.4)
#57BB1F 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) | #C1AA00 | 0.130 |
| Deuteranopia (no green cones) | #B5A233 | 0.131 |
| Tritanopia (no blue cones) | #4FB49F | 0.143 |
| Achromatopsia (no color) | #A5A5A5 | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57BB1F
#57BB1F
oklch(70.4% 0.204 137.5)
- #D26FF1
#D26FF1
oklch(70.5% 0.204 317.5)
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 #57BB1F, closest first.
No curated palette has a color within ΔE 0.04 of #57BB1F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Frog Green #58BC08 ΔE 0.008
- Leafy Green #51B73B ΔE 0.022
- Shamrock Green #02C14D ΔE 0.037
- Dark Lime Green #7EBD01 ΔE 0.037
- Dark Lime #84B701 ΔE 0.042
- Grass #5CAC2D ΔE 0.045
- Lime Green #32CD32 ΔE 0.049
- Leaf Green #5CA904 ΔE 0.049
Use #57BB1F 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.