#3BB33E
Closest named color: Shamrock (#01B44C). oklch(67.6% 0.189 143.5), rgb(59, 179, 62).
Aa
Black text reads best on this color (7.70:1).
About this color
#3BB33E is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.189 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock (#01B44C), ΔE 0.018 away. Black text reads best on it, at 7.70:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.189) |
| Temperature | in between |
| Nearest name | Shamrock (#01B44C) |
| Black text | 7.70:1 |
| White text | 2.72:1 |
Values
| HEX | #3BB33E |
| RGB | rgb(59, 179, 62) |
| HSL | hsl(121, 50%, 47%) |
| OKLCH | oklch(67.6% 0.189 143.5) |
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 #3BB33E | 2.72:1 | Fails | Lc -57.5 | Large or bold text, headings |
| Black text on #3BB33E | 7.70:1 | AAA | Lc 51.7 | Large or bold text, headings |
| #3BB33E text on white | 2.72:1 | Fails | Lc 52.3 | Large or bold text, headings |
| #3BB33E text on black | 7.70:1 | AAA | Lc -49.5 | 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
#EFF8EF
oklch(97% 0.015 145.5)
-
Step 100
100
#DDF0DC
oklch(93.6% 0.033 143.9)
-
Step 200
200
#C0E5BE
oklch(88.5% 0.066 143.7)
-
Step 300
300
#91D58F
oklch(81% 0.119 143.7)
-
Step 400
400 (this color)
#3BB33E
oklch(67.6% 0.189 143.5)
-
Step 500
500
#00A71A
oklch(63.2% 0.208 143.5)
-
Step 600
600
#008C14
oklch(55.5% 0.183 143.5)
-
Step 700
700
#00760F
oklch(49.1% 0.162 143.5)
-
Step 800
800
#00610A
oklch(42.7% 0.141 143.4)
-
Step 900
900
#005107
oklch(37.7% 0.124 143.4)
-
Step 950
950
#003103
oklch(27.2% 0.089 143.6)
#3BB33E 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) | #B7A32F | 0.137 |
| Deuteranopia (no green cones) | #A89948 | 0.136 |
| Tritanopia (no blue cones) | #1CAE9B | 0.120 |
| Achromatopsia (no color) | #9D9D9D | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3BB33E
#3BB33E
oklch(67.6% 0.189 143.5)
- #CD68D8
#CD68D8
oklch(67.6% 0.188 323.6)
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 #3BB33E, closest first.
No curated palette has a color within ΔE 0.04 of #3BB33E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock #01B44C ΔE 0.018
- Leafy Green #51B73B ΔE 0.020
- Medium Green #39AD48 ΔE 0.022
- Grass #5CAC2D ΔE 0.026
- Kelly Green #02AB2E ΔE 0.035
- Leaf Green #5CA904 ΔE 0.035
- Cool Green #33B864 ΔE 0.037
- Shamrock Green #02C14D ΔE 0.038
Use #3BB33E 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.