#3DDFB0
Closest named color: Aqua Marine (#2EE8BB). oklch(81% 0.148 168.7), rgb(61, 223, 176).
Aa
Black text reads best on this color (12.38:1).
About this color
#3DDFB0 is a light, vivid green. In OKLCH its lightness is 81%, its chroma 0.148 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.024 away. Black text reads best on it, at 12.38:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 12.38:1 |
| White text | 1.69:1 |
Values
| HEX | #3DDFB0 |
| RGB | rgb(61, 223, 176) |
| HSL | hsl(163, 72%, 56%) |
| OKLCH | oklch(81% 0.148 168.7) |
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 #3DDFB0 | 1.69:1 | Fails | Lc -33.6 | Non-text elements, placeholder text |
| Black text on #3DDFB0 | 12.38:1 | AAA | Lc 74.0 | Content text, not long reading |
| #3DDFB0 text on white | 1.69:1 | Fails | Lc 29.8 | Dividers and decoration only |
| #3DDFB0 text on black | 12.38:1 | AAA | Lc -73.0 | 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
#E9FAF3
oklch(97.1% 0.02 169.4)
-
Step 100
100
#CFF4E5
oklch(93.7% 0.043 168.9)
-
Step 200
200
#A2EBD0
oklch(88.5% 0.082 169.3)
-
Step 300
300 (this color)
#3DDFB0
oklch(81% 0.148 168.7)
-
Step 400
400
#00BC91
oklch(70.7% 0.142 168.9)
-
Step 500
500
#00A17C
oklch(63% 0.126 169.1)
-
Step 600
600
#008868
oklch(55.7% 0.112 168.9)
-
Step 700
700
#007257
oklch(49.1% 0.098 169.1)
-
Step 800
800
#005E47
oklch(42.8% 0.086 168.9)
-
Step 900
900
#004E3A
oklch(37.7% 0.076 168.5)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#3DDFB0 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) | #D9D0AE | 0.149 |
| Deuteranopia (no green cones) | #C4C0B3 | 0.144 |
| Tritanopia (no blue cones) | #00E0D2 | 0.046 |
| Achromatopsia (no color) | #C7C7C7 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3DDFB0
#3DDFB0
oklch(81% 0.148 168.7)
- #FF9DCF
#FF9DCF
oklch(81% 0.131 348.5)
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 #3DDFB0, closest first.
No curated palette has a color within ΔE 0.04 of #3DDFB0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.024
- Emerald #06D6A0 ΔE 0.035
- Aqua Green #12E193 ΔE 0.045
- Turquoise #40E0D0 ΔE 0.045
- Medium Aquamarine #66CDAA ΔE 0.051
- Seafoam Blue #78D1B6 ΔE 0.055
- Medium Turquoise #48D1CC ΔE 0.065
- Bright Teal #01F9C6 ΔE 0.068
Use #3DDFB0 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.