#3BBF91
Closest named color: Green Blue (#01C08D). oklch(72.2% 0.132 165.4), rgb(59, 191, 145).
Aa
Black text reads best on this color (9.04:1).
About this color
#3BBF91 is a medium-light, moderately saturated green. In OKLCH its lightness is 72%, its chroma 0.132 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Blue (#01C08D), ΔE 0.018 away. Black text reads best on it, at 9.04:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Green Blue (#01C08D) |
| Black text | 9.04:1 |
| White text | 2.32:1 |
Values
| HEX | #3BBF91 |
| RGB | rgb(59, 191, 145) |
| HSL | hsl(159, 53%, 49%) |
| OKLCH | oklch(72.2% 0.132 165.4) |
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 #3BBF91 | 2.32:1 | Fails | Lc -50.3 | Large or bold text, headings |
| Black text on #3BBF91 | 9.04:1 | AAA | Lc 58.6 | Large or bold text, headings |
| #3BBF91 text on white | 2.32:1 | Fails | Lc 45.4 | Large or bold text, headings |
| #3BBF91 text on black | 9.04:1 | AAA | Lc -56.7 | 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
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100
#DCEFE6
oklch(93.6% 0.023 165.8)
-
Step 200
200
#BEE3D2
oklch(88.4% 0.045 165.8)
-
Step 300
300
#8CD2B4
oklch(80.9% 0.083 165.7)
-
Step 400
400 (this color)
#3BBF91
oklch(72.2% 0.132 165.4)
-
Step 500
500
#00A276
oklch(63.1% 0.132 165.5)
-
Step 600
600
#008863
oklch(55.6% 0.116 165.8)
-
Step 700
700
#007352
oklch(49.2% 0.104 164.9)
-
Step 800
800
#005E43
oklch(42.7% 0.089 165.5)
-
Step 900
900
#004E37
oklch(37.6% 0.079 165.5)
-
Step 950
950
#002F20
oklch(27.1% 0.056 165.8)
#3BBF91 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) | #BBB28F | 0.131 |
| Deuteranopia (no green cones) | #AAA594 | 0.127 |
| Tritanopia (no blue cones) | #00BFB2 | 0.047 |
| Achromatopsia (no color) | #AAAAAA | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3BBF91
#3BBF91
oklch(72.2% 0.132 165.4)
- #DF81B7
#DF81B7
oklch(72.1% 0.132 345.5)
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 #3BBF91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Blue #01C08D ΔE 0.018
- Greenblue #23C48B ΔE 0.021
- Greeny Blue #42B395 ΔE 0.037
- Dark Mint #48C072 ΔE 0.041
- Dark Seafoam #1FB57A ΔE 0.042
- Dark Mint Green #20C073 ΔE 0.045
- Green Teal #0CB577 ΔE 0.046
- Medium Sea Green #3CB371 ΔE 0.047
Use #3BBF91 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.