#63DFE0
Closest named color: Turquoise (#40E0D0). oklch(83.4% 0.11 196), rgb(99, 223, 224).
Aa
Black text reads best on this color (13.16:1).
About this color
#63DFE0 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.110 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.033 away. Black text reads best on it, at 13.16:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 13.16:1 |
| White text | 1.59:1 |
Values
| HEX | #63DFE0 |
| RGB | rgb(99, 223, 224) |
| HSL | hsl(180, 67%, 63%) |
| OKLCH | oklch(83.4% 0.11 196) |
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 #63DFE0 | 1.59:1 | Fails | Lc -30.1 | Non-text elements, placeholder text |
| Black text on #63DFE0 | 13.16:1 | AAA | Lc 77.1 | Fine for body text |
| #63DFE0 text on white | 1.59:1 | Fails | Lc 26.6 | Dividers and decoration only |
| #63DFE0 text on black | 13.16:1 | AAA | Lc -76.4 | 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
#EBF9F9
oklch(97.2% 0.015 196.9)
-
Step 100
100
#D2F1F1
oklch(93.6% 0.032 196.6)
-
Step 200
200
#AAE6E6
oklch(88.4% 0.061 196.1)
-
Step 300
300 (this color)
#63DFE0
oklch(83.4% 0.11 196)
-
Step 400
400
#00B7B9
oklch(70.6% 0.12 196.2)
-
Step 500
500
#009D9F
oklch(63.1% 0.107 196.4)
-
Step 600
600
#008485
oklch(55.6% 0.095 195.7)
-
Step 700
700
#006F70
oklch(49.1% 0.084 195.9)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900
#004C4D
oklch(37.8% 0.064 196.3)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#63DFE0 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) | #D2D5E0 | 0.115 |
| Deuteranopia (no green cones) | #BDC6E1 | 0.107 |
| Tritanopia (no blue cones) | #00E5DF | 0.035 |
| Achromatopsia (no color) | #CDCDCD | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63DFE0
#63DFE0
oklch(83.4% 0.11 196)
- #FFB0B4
#FFB0B4
oklch(83.4% 0.093 15.9)
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 #63DFE0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.033
- Aqua Blue #02D8E9 ΔE 0.044
- Medium Turquoise #48D1CC ΔE 0.049
- Robin's Egg #6DEDFD ΔE 0.050
- Tiffany Blue #94D2BD ΔE 0.058
- Seafoam Blue #78D1B6 ΔE 0.058
- Light Teal #90E4C1 ΔE 0.059
- Sky Blue #87CEEB ΔE 0.060
Use #63DFE0 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.