#39B051
Closest named color: Medium Green (#39AD48). oklch(67% 0.171 146.9), rgb(57, 176, 81).
Aa
Black text reads best on this color (7.50:1).
About this color
#39B051 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.171 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.011 away. Black text reads best on it, at 7.50:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 7.50:1 |
| White text | 2.79:1 |
Values
| HEX | #39B051 |
| RGB | rgb(57, 176, 81) |
| HSL | hsl(132, 51%, 46%) |
| OKLCH | oklch(67% 0.171 146.9) |
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 #39B051 | 2.79:1 | Fails | Lc -58.7 | Large or bold text, headings |
| Black text on #39B051 | 7.50:1 | AAA | Lc 50.6 | Large or bold text, headings |
| #39B051 text on white | 2.79:1 | Fails | Lc 53.5 | Large or bold text, headings |
| #39B051 text on black | 7.50:1 | AAA | Lc -48.4 | 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
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DDF0DE
oklch(93.6% 0.031 146.8)
-
Step 200
200
#C0E4C3
oklch(88.4% 0.059 147.3)
-
Step 300
300
#92D498
oklch(81% 0.107 146.7)
-
Step 400
400 (this color)
#39B051
oklch(67% 0.171 146.9)
-
Step 500
500
#00A63B
oklch(63.2% 0.188 146.9)
-
Step 600
600
#008B30
oklch(55.5% 0.165 146.9)
-
Step 700
700
#007527
oklch(49% 0.146 146.9)
-
Step 800
800
#00601F
oklch(42.6% 0.127 147)
-
Step 900
900
#005018
oklch(37.6% 0.112 146.9)
-
Step 950
950
#00300B
oklch(26.9% 0.08 146.8)
#39B051 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) | #B2A148 | 0.133 |
| Deuteranopia (no green cones) | #A49758 | 0.132 |
| Tritanopia (no blue cones) | #0BAC9A | 0.100 |
| Achromatopsia (no color) | #9A9A9A | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39B051
#39B051
oklch(67% 0.171 146.9)
- #CA6ACB
#CA6ACB
oklch(66.9% 0.171 326.9)
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 #39B051, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.011
- Shamrock #01B44C ΔE 0.021
- Dark Pastel Green #56AE57 ΔE 0.023
- Mid Green #50A747 ΔE 0.026
- Cool Green #33B864 ΔE 0.026
- Jade Green #2BAF6A ΔE 0.030
- Grass #5CAC2D ΔE 0.032
- Seaweed Green #35AD6B ΔE 0.034
Use #39B051 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.