#39B645
Closest named color: Leafy Green (#51B73B). oklch(68.4% 0.188 144.6), rgb(57, 182, 69).
Aa
Black text reads best on this color (7.95:1).
About this color
#39B645 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.188 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 0.017 away. Black text reads best on it, at 7.95:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.188) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 7.95:1 |
| White text | 2.64:1 |
Values
| HEX | #39B645 |
| RGB | rgb(57, 182, 69) |
| HSL | hsl(126, 52%, 47%) |
| OKLCH | oklch(68.4% 0.188 144.6) |
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 #39B645 | 2.64:1 | Fails | Lc -56.1 | Large or bold text, headings |
| Black text on #39B645 | 7.95:1 | AAA | Lc 53.0 | Large or bold text, headings |
| #39B645 text on white | 2.64:1 | Fails | Lc 51.0 | Large or bold text, headings |
| #39B645 text on black | 7.95:1 | AAA | Lc -50.9 | 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
#DDF0DC
oklch(93.6% 0.033 143.9)
-
Step 200
200
#BFE5BF
oklch(88.5% 0.065 145)
-
Step 300
300
#90D590
oklch(81% 0.118 144.4)
-
Step 400
400 (this color)
#39B645
oklch(68.4% 0.188 144.6)
-
Step 500
500
#00A628
oklch(63% 0.201 144.6)
-
Step 600
600
#008C20
oklch(55.6% 0.177 144.6)
-
Step 700
700
#00761A
oklch(49.2% 0.156 144.6)
-
Step 800
800
#006113
oklch(42.8% 0.136 144.5)
-
Step 900
900
#00510E
oklch(37.8% 0.121 144.5)
-
Step 950
950
#003006
oklch(26.9% 0.085 144.8)
#39B645 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) | #B9A538 | 0.140 |
| Deuteranopia (no green cones) | #AA9B4F | 0.140 |
| Tritanopia (no blue cones) | #0FB19E | 0.117 |
| Achromatopsia (no color) | #9F9F9F | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39B645
#39B645
oklch(68.4% 0.188 144.6)
- #D16AD9
#D16AD9
oklch(68.4% 0.188 324.6)
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 #39B645, closest first.
No curated palette has a color within ΔE 0.04 of #39B645.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.017
- Shamrock #01B44C ΔE 0.018
- Medium Green #39AD48 ΔE 0.027
- Shamrock Green #02C14D ΔE 0.031
- Cool Green #33B864 ΔE 0.031
- Grass #5CAC2D ΔE 0.032
- Dark Pastel Green #56AE57 ΔE 0.040
- Frog Green #58BC08 ΔE 0.042
Use #39B645 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.