#39B940
Closest named color: Leafy Green (#51B73B). oklch(69.2% 0.196 143.8), rgb(57, 185, 64).
Aa
Black text reads best on this color (8.18:1).
About this color
#39B940 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.196 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.014 away. Black text reads best on it, at 8.18:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.196) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 8.18:1 |
| White text | 2.56:1 |
Values
| HEX | #39B940 |
| RGB | rgb(57, 185, 64) |
| HSL | hsl(123, 53%, 47%) |
| OKLCH | oklch(69.2% 0.196 143.8) |
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 #39B940 | 2.56:1 | Fails | Lc -54.8 | Large or bold text, headings |
| Black text on #39B940 | 8.18:1 | AAA | Lc 54.3 | Large or bold text, headings |
| #39B940 text on white | 2.56:1 | Fails | Lc 49.7 | Large or bold text, headings |
| #39B940 text on black | 8.18:1 | AAA | Lc -52.2 | 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
#EFF9EF
oklch(97.2% 0.017 145.4)
-
Step 100
100
#DCF0DB
oklch(93.5% 0.035 144)
-
Step 200
200
#BFE5BD
oklch(88.4% 0.067 143.7)
-
Step 300
300
#8FD58D
oklch(80.8% 0.122 143.7)
-
Step 400
400 (this color)
#39B940
oklch(69.2% 0.196 143.8)
-
Step 500
500
#00A71F
oklch(63.2% 0.206 143.8)
-
Step 600
600
#008C19
oklch(55.6% 0.181 143.9)
-
Step 700
700
#007613
oklch(49.1% 0.16 143.8)
-
Step 800
800
#00610E
oklch(42.8% 0.139 143.9)
-
Step 900
900
#00510A
oklch(37.7% 0.123 143.9)
-
Step 950
950
#003004
oklch(26.8% 0.087 144)
#39B940 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) | #BDA831 | 0.143 |
| Deuteranopia (no green cones) | #AE9E4B | 0.143 |
| Tritanopia (no blue cones) | #0FB4A0 | 0.123 |
| Achromatopsia (no color) | #A2A2A2 | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39B940
#39B940
oklch(69.2% 0.196 143.8)
- #D46ADF
#D46ADF
oklch(69.1% 0.195 323.8)
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 #39B940, closest first.
No curated palette has a color within ΔE 0.04 of #39B940.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.014
- Shamrock Green #02C14D ΔE 0.023
- Shamrock #01B44C ΔE 0.026
- Frog Green #58BC08 ΔE 0.033
- Cool Green #33B864 ΔE 0.037
- Medium Green #39AD48 ΔE 0.038
- Grass #5CAC2D ΔE 0.038
- Leaf Green #5CA904 ΔE 0.046
Use #39B940 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.