#3BD391
Closest named color: Emerald (#06D6A0). oklch(77.2% 0.158 159.7), rgb(59, 211, 145).
Aa
Black text reads best on this color (10.91:1).
About this color
#3BD391 is a medium-light, vivid green. In OKLCH its lightness is 77%, its chroma 0.158 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.020 away. Black text reads best on it, at 10.91:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 10.91:1 |
| White text | 1.92:1 |
Values
| HEX | #3BD391 |
| RGB | rgb(59, 211, 145) |
| HSL | hsl(154, 63%, 53%) |
| OKLCH | oklch(77.2% 0.158 159.7) |
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 #3BD391 | 1.92:1 | Fails | Lc -40.7 | Non-text elements, placeholder text |
| Black text on #3BD391 | 10.91:1 | AAA | Lc 67.5 | Content text, not long reading |
| #3BD391 text on white | 1.92:1 | Fails | Lc 36.4 | Non-text elements, placeholder text |
| #3BD391 text on black | 10.91:1 | AAA | Lc -66.1 | Content text, not long reading |
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 300.
-
Step 50
50
#EAFAF1
oklch(97.1% 0.021 161.5)
-
Step 100
100
#D1F4DF
oklch(93.6% 0.046 159.1)
-
Step 200
200
#A6ECC5
oklch(88.6% 0.089 159.5)
-
Step 300
300 (this color)
#3BD391
oklch(77.2% 0.158 159.7)
-
Step 400
400
#00BE7C
oklch(70.7% 0.161 159.6)
-
Step 500
500
#00A36A
oklch(63.1% 0.143 159.7)
-
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)
#3BD391 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) | #D1C38D | 0.149 |
| Deuteranopia (no green cones) | #BEB595 | 0.145 |
| Tritanopia (no blue cones) | #00D2C2 | 0.068 |
| Achromatopsia (no color) | #BBBBBB | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3BD391
#3BD391
oklch(77.2% 0.158 159.7)
- #F68AD5
#F68AD5
oklch(77.3% 0.158 339.7)
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 #3BD391, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.020
- Seaweed #18D17B ΔE 0.032
- Aqua Green #12E193 ΔE 0.039
- Greenblue #23C48B ΔE 0.045
- Soft Green #6FC276 ΔE 0.052
- Medium Aquamarine #66CDAA ΔE 0.053
- Dark Mint #48C072 ΔE 0.056
- Algae Green #21C36F ΔE 0.058
Use #3BD391 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.