#3FBC57
Closest named color: Cool Green (#33B864). oklch(70.4% 0.179 146.8), rgb(63, 188, 87).
Aa
Black text reads best on this color (8.54:1).
About this color
#3FBC57 is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.179 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Cool Green (#33B864), ΔE 0.022 away. Black text reads best on it, at 8.54:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.179) |
| Temperature | in between |
| Nearest name | Cool Green (#33B864) |
| Black text | 8.54:1 |
| White text | 2.45:1 |
Values
| HEX | #3FBC57 |
| RGB | rgb(63, 188, 87) |
| HSL | hsl(132, 50%, 49%) |
| OKLCH | oklch(70.4% 0.179 146.8) |
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 #3FBC57 | 2.45:1 | Fails | Lc -52.9 | Large or bold text, headings |
| Black text on #3FBC57 | 8.54:1 | AAA | Lc 56.1 | Large or bold text, headings |
| #3FBC57 text on white | 2.45:1 | Fails | Lc 47.9 | Large or bold text, headings |
| #3FBC57 text on black | 8.54:1 | AAA | Lc -54.1 | 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
#EFF8F0
oklch(97% 0.014 148.8)
-
Step 100
100
#DDF0DE
oklch(93.6% 0.031 146.8)
-
Step 200
200
#BFE5C2
oklch(88.5% 0.062 147.2)
-
Step 300
300
#8FD496
oklch(80.8% 0.111 146.9)
-
Step 400
400 (this color)
#3FBC57
oklch(70.4% 0.179 146.8)
-
Step 500
500
#00A63A
oklch(63.2% 0.189 146.7)
-
Step 600
600
#008B2F
oklch(55.5% 0.166 146.7)
-
Step 700
700
#007527
oklch(49% 0.146 146.9)
-
Step 800
800
#00601E
oklch(42.6% 0.127 146.7)
-
Step 900
900
#005018
oklch(37.6% 0.112 146.9)
-
Step 950
950
#00300B
oklch(26.9% 0.08 146.8)
#3FBC57 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) | #BEAC4E | 0.138 |
| Deuteranopia (no green cones) | #AFA15F | 0.138 |
| Tritanopia (no blue cones) | #14B8A5 | 0.105 |
| Achromatopsia (no color) | #A5A5A5 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FBC57
#3FBC57
oklch(70.4% 0.179 146.8)
- #D872D9
#D872D9
oklch(70.4% 0.179 326.9)
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 #3FBC57, closest first.
No curated palette has a color within ΔE 0.04 of #3FBC57.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Green #33B864 ΔE 0.022
- Leafy Green #51B73B ΔE 0.024
- Shamrock Green #02C14D ΔE 0.027
- Algae Green #21C36F ΔE 0.027
- Dark Mint Green #20C073 ΔE 0.030
- Dark Mint #48C072 ΔE 0.032
- Shamrock #01B44C ΔE 0.035
- Dark Pastel Green #56AE57 ΔE 0.041
Use #3FBC57 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.