#3BB66C
Closest named color: Medium Sea Green (#3CB371). oklch(69.1% 0.153 152.9), rgb(59, 182, 108).
Aa
Black text reads best on this color (8.09:1).
About this color
#3BB66C is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.153 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Sea Green (#3CB371), ΔE 0.012 away. Black text reads best on it, at 8.09:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Medium Sea Green (#3CB371) |
| Black text | 8.09:1 |
| White text | 2.59:1 |
Values
| HEX | #3BB66C |
| RGB | rgb(59, 182, 108) |
| HSL | hsl(144, 51%, 47%) |
| OKLCH | oklch(69.1% 0.153 152.9) |
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 #3BB66C | 2.59:1 | Fails | Lc -55.4 | Large or bold text, headings |
| Black text on #3BB66C | 8.09:1 | AAA | Lc 53.7 | Large or bold text, headings |
| #3BB66C text on white | 2.59:1 | Fails | Lc 50.3 | Large or bold text, headings |
| #3BB66C text on black | 8.09:1 | AAA | Lc -51.6 | 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
#EFF8F1
oklch(97% 0.013 152.6)
-
Step 100
100
#DDF0E1
oklch(93.7% 0.028 151.9)
-
Step 200
200
#C0E4C9
oklch(88.6% 0.053 152.8)
-
Step 300
300
#90D3A3
oklch(80.9% 0.096 152.8)
-
Step 400
400 (this color)
#3BB66C
oklch(69.1% 0.153 152.9)
-
Step 500
500
#00A457
oklch(63% 0.162 153)
-
Step 600
600
#008A48
oklch(55.5% 0.143 153)
-
Step 700
700
#00743C
oklch(49% 0.126 153.1)
-
Step 800
800
#005F30
oklch(42.6% 0.109 153.1)
-
Step 900
900
#005027
oklch(37.8% 0.098 152.9)
-
Step 950
950
#003015
oklch(27.1% 0.07 152.9)
#3BB66C 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) | #B6A767 | 0.133 |
| Deuteranopia (no green cones) | #A79C71 | 0.131 |
| Tritanopia (no blue cones) | #00B4A4 | 0.079 |
| Achromatopsia (no color) | #A1A1A1 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3BB66C
#3BB66C
oklch(69.1% 0.153 152.9)
- #D274C4
#D274C4
oklch(69% 0.154 332.8)
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 #3BB66C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Sea Green #3CB371 ΔE 0.012
- Cool Green #33B864 ΔE 0.014
- Green Teal #0CB577 ΔE 0.020
- Dark Seafoam #1FB57A ΔE 0.021
- Jade Green #2BAF6A ΔE 0.023
- Bluey Green #2BB179 ΔE 0.027
- Seaweed Green #35AD6B ΔE 0.027
- Dark Mint Green #20C073 ΔE 0.027
Use #3BB66C 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.