#3FE2D1
Closest named color: Turquoise (#40E0D0). oklch(82.7% 0.133 184.6), rgb(63, 226, 209).
Aa
Black text reads best on this color (13.01:1).
About this color
#3FE2D1 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.133 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.005 away. Black text reads best on it, at 13.01:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 13.01:1 |
| White text | 1.61:1 |
Values
| HEX | #3FE2D1 |
| RGB | rgb(63, 226, 209) |
| HSL | hsl(174, 74%, 57%) |
| OKLCH | oklch(82.7% 0.133 184.6) |
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 #3FE2D1 | 1.61:1 | Fails | Lc -30.6 | Non-text elements, placeholder text |
| Black text on #3FE2D1 | 13.01:1 | AAA | Lc 76.7 | Fine for body text |
| #3FE2D1 text on white | 1.61:1 | Fails | Lc 27.1 | Dividers and decoration only |
| #3FE2D1 text on black | 13.01:1 | AAA | Lc -75.9 | Fine for body text |
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
#E9FAF7
oklch(97.2% 0.018 184.3)
-
Step 100
100
#CFF3ED
oklch(93.7% 0.038 184.4)
-
Step 200
200
#A1EADF
oklch(88.6% 0.074 184.2)
-
Step 300
300 (this color)
#3FE2D1
oklch(82.7% 0.133 184.6)
-
Step 400
400
#00B9AA
oklch(70.6% 0.125 184.7)
-
Step 500
500
#009F92
oklch(63.2% 0.111 184.7)
-
Step 600
600
#00867A
oklch(55.7% 0.099 183.9)
-
Step 700
700
#007067
oklch(49% 0.086 185.2)
-
Step 800
800
#005C54
oklch(42.7% 0.075 184.7)
-
Step 900
900
#004D46
oklch(37.8% 0.067 184.5)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#3FE2D1 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) | #D7D5D0 | 0.141 |
| Deuteranopia (no green cones) | #C0C5D3 | 0.133 |
| Tritanopia (no blue cones) | #00E7DD | 0.019 |
| Achromatopsia (no color) | #CCCCCC | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FE2D1
#3FE2D1
oklch(82.7% 0.133 184.6)
- #FFABBE
#FFABBE
oklch(82.8% 0.101 4.7)
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 #3FE2D1, closest first.
No curated palette has a color within ΔE 0.04 of #3FE2D1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.005
- Aqua Marine #2EE8BB ΔE 0.041
- Medium Turquoise #48D1CC ΔE 0.046
- Aqua Blue #02D8E9 ΔE 0.053
- Seafoam Blue #78D1B6 ΔE 0.054
- Light Teal #90E4C1 ΔE 0.059
- Bright Aqua #0BF9EA ΔE 0.062
- Dark Turquoise #00CED1 ΔE 0.062
Use #3FE2D1 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.