#63ECD9
Closest named color: Light Turquoise (#7EF4CC). oklch(86.3% 0.122 182.8), rgb(99, 236, 217).
Aa
Black text reads best on this color (14.53:1).
About this color
#63ECD9 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 86%, its chroma 0.122 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Light Turquoise (#7EF4CC), ΔE 0.038 away. Black text reads best on it, at 14.53:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Light Turquoise (#7EF4CC) |
| Black text | 14.53:1 |
| White text | 1.44:1 |
Values
| HEX | #63ECD9 |
| RGB | rgb(99, 236, 217) |
| HSL | hsl(172, 78%, 66%) |
| OKLCH | oklch(86.3% 0.122 182.8) |
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 #63ECD9 | 1.44:1 | Fails | Lc -23.9 | Dividers and decoration only |
| Black text on #63ECD9 | 14.53:1 | AAA | Lc 82.7 | Fine for body text |
| #63ECD9 text on white | 1.44:1 | Fails | Lc 21.0 | Dividers and decoration only |
| #63ECD9 text on black | 14.53:1 | AAA | Lc -82.4 | 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 200.
-
Step 50
50
#E7FAF7
oklch(97% 0.02 185.5)
-
Step 100
100
#C9F4EC
oklch(93.5% 0.046 182.8)
-
Step 200
200 (this color)
#63ECD9
oklch(86.3% 0.122 182.8)
-
Step 300
300
#00DEC9
oklch(80.9% 0.144 182.9)
-
Step 400
400
#00BAA8
oklch(70.8% 0.126 182.8)
-
Step 500
500
#009F90
oklch(63.1% 0.112 183.2)
-
Step 600
600
#008678
oklch(55.6% 0.1 182.2)
-
Step 700
700
#007165
oklch(49.2% 0.088 182.2)
-
Step 800
800
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#004D45
oklch(37.7% 0.067 183.1)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#63ECD9 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) | #E2E0D8 | 0.130 |
| Deuteranopia (no green cones) | #CDD0DB | 0.124 |
| Tritanopia (no blue cones) | #00F0E6 | 0.031 |
| Achromatopsia (no color) | #D7D7D7 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63ECD9
#63ECD9
oklch(86.3% 0.122 182.8)
- #FFBDCD
#FFBDCD
oklch(86.3% 0.078 2.8)
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 #63ECD9, closest first.
No curated palette has a color within ΔE 0.04 of #63ECD9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Turquoise #7EF4CC ΔE 0.038
- Bright Aqua #0BF9EA ΔE 0.040
- Turquoise #40E0D0 ΔE 0.041
- Light Teal #90E4C1 ΔE 0.042
- Bright Light Blue #26F7FD ΔE 0.050
- Robin's Egg #6DEDFD ΔE 0.052
- Aqua Marine #2EE8BB ΔE 0.052
- Bright Turquoise #0FFEF9 ΔE 0.055
Use #63ECD9 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.