#63E8DB
Closest named color: Turquoise (#40E0D0). oklch(85.4% 0.118 186.4), rgb(99, 232, 219).
Aa
Black text reads best on this color (14.09:1).
About this color
#63E8DB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.118 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.034 away. Black text reads best on it, at 14.09:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 14.09:1 |
| White text | 1.48:1 |
Values
| HEX | #63E8DB |
| RGB | rgb(99, 232, 219) |
| HSL | hsl(174, 74%, 65%) |
| OKLCH | oklch(85.4% 0.118 186.4) |
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 #63E8DB | 1.48:1 | Fails | Lc -25.8 | Dividers and decoration only |
| Black text on #63E8DB | 14.09:1 | AAA | Lc 81.0 | Fine for body text |
| #63E8DB text on white | 1.48:1 | Fails | Lc 22.7 | Dividers and decoration only |
| #63E8DB text on black | 14.09:1 | AAA | Lc -80.5 | 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 200.
-
Step 50
50
#E7FAF7
oklch(97% 0.02 185.5)
-
Step 100
100
#CAF4EE
oklch(93.6% 0.044 185.9)
-
Step 200
200 (this color)
#63E8DB
oklch(85.4% 0.118 186.4)
-
Step 300
300
#00DDCF
oklch(80.8% 0.141 186.7)
-
Step 400
400
#00B9AD
oklch(70.7% 0.124 186.6)
-
Step 500
500
#009F94
oklch(63.2% 0.111 186.2)
-
Step 600
600
#00857C
oklch(55.5% 0.097 186.5)
-
Step 700
700
#007068
oklch(49.1% 0.086 186.2)
-
Step 800
800
#005C55
oklch(42.7% 0.075 185.9)
-
Step 900
900
#004D47
oklch(37.8% 0.066 185.9)
-
Step 950
950
#002E2A
oklch(27.1% 0.048 185.8)
#63E8DB 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) | #DDDCDB | 0.126 |
| Deuteranopia (no green cones) | #C8CDDD | 0.119 |
| Tritanopia (no blue cones) | #00EDE4 | 0.031 |
| Achromatopsia (no color) | #D3D3D3 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63E8DB
#63E8DB
oklch(85.4% 0.118 186.4)
- #FFB9C6
#FFB9C6
oklch(85.4% 0.082 6.7)
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 #63E8DB, closest first.
No curated palette has a color within ΔE 0.04 of #63E8DB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.034
- Light Teal #90E4C1 ΔE 0.044
- Bright Aqua #0BF9EA ΔE 0.047
- Robin's Egg #6DEDFD ΔE 0.048
- Light Turquoise #7EF4CC ΔE 0.049
- Bright Light Blue #26F7FD ΔE 0.052
- Aqua Marine #2EE8BB ΔE 0.055
- Bright Turquoise #0FFEF9 ΔE 0.061
Use #63E8DB 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.