#39BB4C
Closest named color: Leafy Green (#51B73B). oklch(69.8% 0.189 145.5), rgb(57, 187, 76).
Aa
Black text reads best on this color (8.38:1).
About this color
#39BB4C is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.189 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.018 away. Black text reads best on it, at 8.38:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.189) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 8.38:1 |
| White text | 2.50:1 |
Values
| HEX | #39BB4C |
| RGB | rgb(57, 187, 76) |
| HSL | hsl(129, 53%, 48%) |
| OKLCH | oklch(69.8% 0.189 145.5) |
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 #39BB4C | 2.50:1 | Fails | Lc -53.7 | Large or bold text, headings |
| Black text on #39BB4C | 8.38:1 | AAA | Lc 55.3 | Large or bold text, headings |
| #39BB4C text on white | 2.50:1 | Fails | Lc 48.7 | Large or bold text, headings |
| #39BB4C text on black | 8.38:1 | AAA | Lc -53.3 | 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
#EFF8EF
oklch(97% 0.015 145.5)
-
Step 100
100
#DCF0DC
oklch(93.5% 0.034 145.3)
-
Step 200
200
#BFE5BF
oklch(88.5% 0.065 145)
-
Step 300
300
#8ED591
oklch(80.9% 0.118 145.4)
-
Step 400
400 (this color)
#39BB4C
oklch(69.8% 0.189 145.5)
-
Step 500
500
#00A631
oklch(63.1% 0.195 145.5)
-
Step 600
600
#008C27
oklch(55.7% 0.173 145.4)
-
Step 700
700
#007620
oklch(49.2% 0.152 145.5)
-
Step 800
800
#006118
oklch(42.8% 0.133 145.4)
-
Step 900
900
#005113
oklch(37.8% 0.117 145.5)
-
Step 950
950
#003008
oklch(26.9% 0.083 145.6)
#39BB4C 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) | #BEAA40 | 0.143 |
| Deuteranopia (no green cones) | #AF9F55 | 0.144 |
| Tritanopia (no blue cones) | #01B6A3 | 0.115 |
| Achromatopsia (no color) | #A4A4A4 | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39BB4C
#39BB4C
oklch(69.8% 0.189 145.5)
- #D76EDC
#D76EDC
oklch(69.9% 0.188 325.6)
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 #39BB4C, closest first.
No curated palette has a color within ΔE 0.04 of #39BB4C.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.018
- Shamrock Green #02C14D ΔE 0.020
- Shamrock #01B44C ΔE 0.028
- Cool Green #33B864 ΔE 0.029
- Algae Green #21C36F ΔE 0.037
- Frog Green #58BC08 ΔE 0.039
- Dark Mint Green #20C073 ΔE 0.040
- Medium Green #39AD48 ΔE 0.040
Use #39BB4C 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.