#63DFC2
Closest named color: Turquoise (#40E0D0). oklch(82.5% 0.119 175.5), rgb(99, 223, 194).
Aa
Black text reads best on this color (12.86:1).
About this color
#63DFC2 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.119 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.024 away. Black text reads best on it, at 12.86:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 12.86:1 |
| White text | 1.63:1 |
Values
| HEX | #63DFC2 |
| RGB | rgb(99, 223, 194) |
| HSL | hsl(166, 66%, 63%) |
| OKLCH | oklch(82.5% 0.119 175.5) |
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 #63DFC2 | 1.63:1 | Fails | Lc -31.5 | Non-text elements, placeholder text |
| Black text on #63DFC2 | 12.86:1 | AAA | Lc 75.9 | Fine for body text |
| #63DFC2 text on white | 1.63:1 | Fails | Lc 27.9 | Dividers and decoration only |
| #63DFC2 text on black | 12.86:1 | AAA | Lc -75.0 | 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
#EBF9F5
oklch(97.1% 0.016 177.1)
-
Step 100
100
#D3F2E9
oklch(93.6% 0.035 176.2)
-
Step 200
200
#ABE8D7
oklch(88.5% 0.066 175.6)
-
Step 300
300 (this color)
#63DFC2
oklch(82.5% 0.119 175.5)
-
Step 400
400
#00BB9D
oklch(70.7% 0.133 175.7)
-
Step 500
500
#00A086
oklch(63% 0.118 175.6)
-
Step 600
600
#008770
oklch(55.7% 0.105 175.1)
-
Step 700
700
#00715E
oklch(49% 0.092 175.6)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#004E40
oklch(37.9% 0.071 175.3)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#63DFC2 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) | #D8D3C1 | 0.125 |
| Deuteranopia (no green cones) | #C5C5C4 | 0.119 |
| Tritanopia (no blue cones) | #0CE1D6 | 0.037 |
| Achromatopsia (no color) | #CACACA | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63DFC2
#63DFC2
oklch(82.5% 0.119 175.5)
- #FFA8C9
#FFA8C9
oklch(82.6% 0.11 355.4)
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 #63DFC2, closest first.
No curated palette has a color within ΔE 0.04 of #63DFC2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.024
- Seafoam Blue #78D1B6 ΔE 0.037
- Aqua Marine #2EE8BB ΔE 0.038
- Light Teal #90E4C1 ΔE 0.042
- Tiffany Blue #94D2BD ΔE 0.050
- Medium Turquoise #48D1CC ΔE 0.051
- Medium Aquamarine #66CDAA ΔE 0.051
- Pale Teal #82CBB2 ΔE 0.054
Use #63DFC2 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.