#3BB12F
Closest named color: Shamrock (#01B44C). oklch(66.9% 0.197 141.8), rgb(59, 177, 47).
Aa
Black text reads best on this color (7.51:1).
About this color
#3BB12F is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.197 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock (#01B44C), ΔE 0.024 away. Black text reads best on it, at 7.51:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.197) |
| Temperature | in between |
| Nearest name | Shamrock (#01B44C) |
| Black text | 7.51:1 |
| White text | 2.79:1 |
Values
| HEX | #3BB12F |
| RGB | rgb(59, 177, 47) |
| HSL | hsl(114, 58%, 44%) |
| OKLCH | oklch(66.9% 0.197 141.8) |
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 #3BB12F | 2.79:1 | Fails | Lc -58.6 | Large or bold text, headings |
| Black text on #3BB12F | 7.51:1 | AAA | Lc 50.7 | Large or bold text, headings |
| #3BB12F text on white | 2.79:1 | Fails | Lc 53.3 | Large or bold text, headings |
| #3BB12F text on black | 7.51:1 | AAA | Lc -48.5 | 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
#F0F8EE
oklch(97% 0.016 139.4)
-
Step 100
100
#DDF0DA
oklch(93.5% 0.036 141.4)
-
Step 200
200
#C0E5BB
oklch(88.4% 0.069 141.8)
-
Step 300
300
#92D58A
oklch(81% 0.123 141.8)
-
Step 400
400 (this color)
#3BB12F
oklch(66.9% 0.197 141.8)
-
Step 500
500
#18A600
oklch(63% 0.211 141.8)
-
Step 600
600
#128C00
oklch(55.6% 0.186 141.8)
-
Step 700
700
#0E7600
oklch(49.2% 0.165 141.8)
-
Step 800
800
#096100
oklch(42.8% 0.143 141.8)
-
Step 900
900
#065100
oklch(37.8% 0.127 141.8)
-
Step 950
950
#023000
oklch(26.9% 0.09 141.9)
#3BB12F 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) | #B5A017 | 0.137 |
| Deuteranopia (no green cones) | #A7973C | 0.137 |
| Tritanopia (no blue cones) | #22AC98 | 0.128 |
| Achromatopsia (no color) | #9B9B9B | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3BB12F
#3BB12F
oklch(66.9% 0.197 141.8)
- #CB64DC
#CB64DC
oklch(67.1% 0.197 321.8)
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 #3BB12F, closest first.
No curated palette has a color within ΔE 0.04 of #3BB12F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock #01B44C ΔE 0.024
- Grass #5CAC2D ΔE 0.026
- Leafy Green #51B73B ΔE 0.026
- Medium Green #39AD48 ΔE 0.026
- Kelly Green #02AB2E ΔE 0.028
- Leaf Green #5CA904 ΔE 0.029
- Mid Green #50A747 ΔE 0.043
- Frog Green #58BC08 ΔE 0.044
Use #3BB12F 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.