#39B11F
Closest named color: Kelly Green (#02AB2E). oklch(66.8% 0.205 140.8), rgb(57, 177, 31).
Aa
Black text reads best on this color (7.48:1).
About this color
#39B11F is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.205 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelly Green (#02AB2E), ΔE 0.028 away. Black text reads best on it, at 7.48:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.205) |
| Temperature | in between |
| Nearest name | Kelly Green (#02AB2E) |
| Black text | 7.48:1 |
| White text | 2.80:1 |
Values
| HEX | #39B11F |
| RGB | rgb(57, 177, 31) |
| HSL | hsl(109, 70%, 41%) |
| OKLCH | oklch(66.8% 0.205 140.8) |
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 #39B11F | 2.80:1 | Fails | Lc -58.7 | Large or bold text, headings |
| Black text on #39B11F | 7.48:1 | AAA | Lc 50.6 | Large or bold text, headings |
| #39B11F text on white | 2.80:1 | Fails | Lc 53.5 | Large or bold text, headings |
| #39B11F text on black | 7.48:1 | 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 500.
-
Step 50
50
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#E0EFDD
oklch(93.6% 0.029 140.5)
-
Step 200
200
#C6E3C0
oklch(88.5% 0.056 140.3)
-
Step 300
300
#9DD194
oklch(80.9% 0.1 140.9)
-
Step 400
400
#63B854
oklch(70.6% 0.16 140.7)
-
Step 500
500 (this color)
#39B11F
oklch(66.8% 0.205 140.8)
-
Step 600
600
#208B00
oklch(55.6% 0.182 140.8)
-
Step 700
700
#1A7500
oklch(49.1% 0.161 140.8)
-
Step 800
800
#136000
oklch(42.7% 0.14 140.8)
-
Step 900
900
#0F5000
oklch(37.7% 0.123 140.7)
-
Step 950
950
#083002
oklch(27.1% 0.085 140.8)
#39B11F 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) | #B6A000 | 0.141 |
| Deuteranopia (no green cones) | #A89732 | 0.140 |
| Tritanopia (no blue cones) | #21AB97 | 0.137 |
| Achromatopsia (no color) | #9A9A9A | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39B11F
#39B11F
oklch(66.8% 0.205 140.8)
- #CB61E0
#CB61E0
oklch(66.9% 0.205 320.8)
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 #39B11F, closest first.
No curated palette has a color within ΔE 0.04 of #39B11F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelly Green #02AB2E ΔE 0.028
- Leaf Green #5CA904 ΔE 0.029
- Shamrock #01B44C ΔE 0.031
- Leafy Green #51B73B ΔE 0.031
- Grass #5CAC2D ΔE 0.031
- Medium Green #39AD48 ΔE 0.035
- Frog Green #58BC08 ΔE 0.042
- Shamrock Green #02C14D ΔE 0.047
Use #39B11F 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.