#3BB17C
Closest named color: Dark Seafoam Green (#3EAF76). oklch(68.1% 0.132 160), rgb(59, 177, 124).
Aa
Black text reads best on this color (7.76:1).
About this color
#3BB17C is a medium-light, moderately saturated green. In OKLCH its lightness is 68%, its chroma 0.132 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam Green (#3EAF76), ΔE 0.008 away. Black text reads best on it, at 7.76:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Dark Seafoam Green (#3EAF76) |
| Black text | 7.76:1 |
| White text | 2.70:1 |
Values
| HEX | #3BB17C |
| RGB | rgb(59, 177, 124) |
| HSL | hsl(153, 50%, 46%) |
| OKLCH | oklch(68.1% 0.132 160) |
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 #3BB17C | 2.70:1 | Fails | Lc -57.3 | Large or bold text, headings |
| Black text on #3BB17C | 7.76:1 | AAA | Lc 51.9 | Large or bold text, headings |
| #3BB17C text on white | 2.70:1 | Fails | Lc 52.1 | Large or bold text, headings |
| #3BB17C text on black | 7.76:1 | AAA | Lc -49.8 | 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
#F0F8F3
oklch(97.2% 0.011 158.8)
-
Step 100
100
#DDEFE4
oklch(93.6% 0.024 159.1)
-
Step 200
200
#C0E3CF
oklch(88.5% 0.046 160.3)
-
Step 300
300
#91D1AE
oklch(80.8% 0.082 159.9)
-
Step 400
400 (this color)
#3BB17C
oklch(68.1% 0.132 160)
-
Step 500
500
#00A36B
oklch(63.1% 0.143 160.1)
-
Step 600
600
#008959
oklch(55.6% 0.126 160)
-
Step 700
700
#00734A
oklch(49% 0.111 160)
-
Step 800
800
#005F3C
oklch(42.8% 0.097 159.8)
-
Step 900
900
#004F31
oklch(37.7% 0.086 159.7)
-
Step 950
950
#002F1C
oklch(26.9% 0.06 160.5)
#3BB17C 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) | #AFA479 | 0.124 |
| Deuteranopia (no green cones) | #9F997F | 0.120 |
| Tritanopia (no blue cones) | #00B0A3 | 0.057 |
| Achromatopsia (no color) | #9D9D9D | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3BB17C
#3BB17C
oklch(68.1% 0.132 160)
- #CE76B2
#CE76B2
oklch(68.1% 0.132 340.1)
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 #3BB17C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam Green #3EAF76 ΔE 0.008
- Bluey Green #2BB179 ΔE 0.010
- Dark Seafoam #1FB57A ΔE 0.016
- Medium Sea Green #3CB371 ΔE 0.017
- Green Teal #0CB577 ΔE 0.022
- Seaweed Green #35AD6B ΔE 0.024
- Algae #54AC68 ΔE 0.026
- Jade Green #2BAF6A ΔE 0.026
Use #3BB17C 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.