#3BB239
Closest named color: Shamrock (#01B44C). oklch(67.3% 0.192 142.9), rgb(59, 178, 57).
Aa
Black text reads best on this color (7.61:1).
About this color
#3BB239 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.192 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock (#01B44C), ΔE 0.019 away. Black text reads best on it, at 7.61:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.192) |
| Temperature | in between |
| Nearest name | Shamrock (#01B44C) |
| Black text | 7.61:1 |
| White text | 2.75:1 |
Values
| HEX | #3BB239 |
| RGB | rgb(59, 178, 57) |
| HSL | hsl(119, 51%, 46%) |
| OKLCH | oklch(67.3% 0.192 142.9) |
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 #3BB239 | 2.75:1 | Fails | Lc -58.0 | Large or bold text, headings |
| Black text on #3BB239 | 7.61:1 | AAA | Lc 51.2 | Large or bold text, headings |
| #3BB239 text on white | 2.75:1 | Fails | Lc 52.8 | Large or bold text, headings |
| #3BB239 text on black | 7.61:1 | AAA | Lc -49.0 | 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
#F0F8EF
oklch(97.1% 0.015 142.2)
-
Step 100
100
#DDF0DB
oklch(93.5% 0.034 142.6)
-
Step 200
200
#C0E5BD
oklch(88.5% 0.067 143)
-
Step 300
300
#92D58D
oklch(81% 0.12 142.8)
-
Step 400
400 (this color)
#3BB239
oklch(67.3% 0.192 142.9)
-
Step 500
500
#00A70C
oklch(63.1% 0.212 142.8)
-
Step 600
600
#008C09
oklch(55.5% 0.186 142.9)
-
Step 700
700
#007606
oklch(49% 0.165 142.9)
-
Step 800
800
#006104
oklch(42.7% 0.144 142.9)
-
Step 900
900
#005103
oklch(37.7% 0.127 142.9)
-
Step 950
950
#003101
oklch(27.1% 0.091 142.9)
#3BB239 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) | #B6A228 | 0.137 |
| Deuteranopia (no green cones) | #A89844 | 0.137 |
| Tritanopia (no blue cones) | #1FAD99 | 0.122 |
| Achromatopsia (no color) | #9C9C9C | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3BB239
#3BB239
oklch(67.3% 0.192 142.9)
- #CC66D9
#CC66D9
oklch(67.3% 0.192 323)
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 #3BB239, closest first.
No curated palette has a color within ΔE 0.04 of #3BB239.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock #01B44C ΔE 0.019
- Medium Green #39AD48 ΔE 0.022
- Leafy Green #51B73B ΔE 0.022
- Grass #5CAC2D ΔE 0.025
- Kelly Green #02AB2E ΔE 0.031
- Leaf Green #5CA904 ΔE 0.032
- Mid Green #50A747 ΔE 0.040
- Shamrock Green #02C14D ΔE 0.041
Use #3BB239 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.