#39B144
Closest named color: Medium Green (#39AD48). oklch(67.1% 0.183 144.6), rgb(57, 177, 68).
Aa
Black text reads best on this color (7.54:1).
About this color
#39B144 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.183 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.013 away. Black text reads best on it, at 7.54:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.183) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 7.54:1 |
| White text | 2.78:1 |
Values
| HEX | #39B144 |
| RGB | rgb(57, 177, 68) |
| HSL | hsl(126, 51%, 46%) |
| OKLCH | oklch(67.1% 0.183 144.6) |
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 #39B144 | 2.78:1 | Fails | Lc -58.4 | Large or bold text, headings |
| Black text on #39B144 | 7.54:1 | AAA | Lc 50.8 | Large or bold text, headings |
| #39B144 text on white | 2.78:1 | Fails | Lc 53.2 | Large or bold text, headings |
| #39B144 text on black | 7.54:1 | AAA | Lc -48.7 | 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
#C0E5C0
oklch(88.5% 0.063 145)
-
Step 300
300
#91D492
oklch(80.8% 0.114 144.8)
-
Step 400
400 (this color)
#39B144
oklch(67.1% 0.183 144.6)
-
Step 500
500
#00A628
oklch(63% 0.201 144.6)
-
Step 600
600
#008C20
oklch(55.6% 0.177 144.6)
-
Step 700
700
#007619
oklch(49.1% 0.157 144.5)
-
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
#003005
oklch(26.9% 0.086 144.4)
#39B144 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) | #B4A138 | 0.136 |
| Deuteranopia (no green cones) | #A6974D | 0.136 |
| Tritanopia (no blue cones) | #15AC9A | 0.114 |
| Achromatopsia (no color) | #9B9B9B | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39B144
#39B144
oklch(67.1% 0.183 144.6)
- #CB68D3
#CB68D3
oklch(67.1% 0.182 324.5)
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 #39B144, closest first.
No curated palette has a color within ΔE 0.04 of #39B144.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.013
- Shamrock #01B44C ΔE 0.016
- Grass #5CAC2D ΔE 0.026
- Leafy Green #51B73B ΔE 0.027
- Mid Green #50A747 ΔE 0.032
- Kelly Green #02AB2E ΔE 0.033
- Dark Pastel Green #56AE57 ΔE 0.033
- Cool Green #33B864 ΔE 0.034
Use #39B144 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.