#39B03B
Closest named color: Medium Green (#39AD48). oklch(66.7% 0.188 143.3), rgb(57, 176, 59).
Aa
Black text reads best on this color (7.44:1).
About this color
#39B03B is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.188 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.017 away. Black text reads best on it, at 7.44:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.188) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 7.44:1 |
| White text | 2.81:1 |
Values
| HEX | #39B03B |
| RGB | rgb(57, 176, 59) |
| HSL | hsl(121, 51%, 46%) |
| OKLCH | oklch(66.7% 0.188 143.3) |
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 #39B03B | 2.81:1 | Fails | Lc -59.0 | Large or bold text, headings |
| Black text on #39B03B | 7.44:1 | AAA | Lc 50.3 | Large or bold text, headings |
| #39B03B text on white | 2.81:1 | Fails | Lc 53.7 | Large or bold text, headings |
| #39B03B text on black | 7.44:1 | AAA | Lc -48.1 | 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 500.
-
Step 50
50
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E0EFDF
oklch(93.7% 0.027 143.6)
-
Step 200
200
#C6E2C4
oklch(88.4% 0.05 143.3)
-
Step 300
300
#9DD09A
oklch(80.8% 0.092 143.3)
-
Step 400
400
#63B861
oklch(70.8% 0.148 143.4)
-
Step 500
500 (this color)
#39B03B
oklch(66.7% 0.188 143.3)
-
Step 600
600
#008C12
oklch(55.5% 0.184 143.3)
-
Step 700
700
#00760D
oklch(49.1% 0.163 143.3)
-
Step 800
800
#006109
oklch(42.7% 0.141 143.3)
-
Step 900
900
#035108
oklch(37.8% 0.123 143.3)
-
Step 950
950
#082F09
oklch(26.9% 0.077 143.4)
#39B03B 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) | #B4A02C | 0.136 |
| Deuteranopia (no green cones) | #A59646 | 0.136 |
| Tritanopia (no blue cones) | #1AAB98 | 0.120 |
| Achromatopsia (no color) | #9A9A9A | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39B03B
#39B03B
oklch(66.7% 0.188 143.3)
- #CA65D5
#CA65D5
oklch(66.7% 0.188 323.6)
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 #39B03B, closest first.
No curated palette has a color within ΔE 0.04 of #39B03B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.017
- Shamrock #01B44C ΔE 0.019
- Grass #5CAC2D ΔE 0.024
- Kelly Green #02AB2E ΔE 0.027
- Leafy Green #51B73B ΔE 0.028
- Leaf Green #5CA904 ΔE 0.031
- Mid Green #50A747 ΔE 0.034
- Dark Pastel Green #56AE57 ΔE 0.040
Use #39B03B 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.