#63EFD3
Closest named color: Light Turquoise (#7EF4CC). oklch(86.8% 0.128 177.7), rgb(99, 239, 211).
Aa
Black text reads best on this color (14.81:1).
About this color
#63EFD3 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 87%, its chroma 0.128 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Light Turquoise (#7EF4CC), ΔE 0.028 away. Black text reads best on it, at 14.81:1.
| Hue family | Teals and cyans |
| Lightness | light (87%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Light Turquoise (#7EF4CC) |
| Black text | 14.81:1 |
| White text | 1.41:1 |
Values
| HEX | #63EFD3 |
| RGB | rgb(99, 239, 211) |
| HSL | hsl(168, 81%, 66%) |
| OKLCH | oklch(86.8% 0.128 177.7) |
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 #63EFD3 | 1.41:1 | Fails | Lc -22.6 | Dividers and decoration only |
| Black text on #63EFD3 | 14.81:1 | AAA | Lc 83.9 | Fine for body text |
| #63EFD3 text on white | 1.41:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #63EFD3 text on black | 14.81:1 | AAA | Lc -83.6 | 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
#E7FBF5
oklch(97.2% 0.022 176)
-
Step 100
100
#C9F5EA
oklch(93.6% 0.048 178.3)
-
Step 200
200 (this color)
#63EFD3
oklch(86.8% 0.128 177.7)
-
Step 300
300
#00DFC0
oklch(80.8% 0.149 177.8)
-
Step 400
400
#00BAA0
oklch(70.6% 0.13 177.9)
-
Step 500
500
#00A089
oklch(63.1% 0.116 177.6)
-
Step 600
600
#008673
oklch(55.5% 0.102 178.1)
-
Step 700
700
#007160
oklch(49.1% 0.091 177.4)
-
Step 800
800
#005D4F
oklch(42.8% 0.079 177.8)
-
Step 900
900
#004D41
oklch(37.6% 0.069 177.7)
-
Step 950
950
#002E26
oklch(26.9% 0.05 177.5)
#63EFD3 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) | #E6E2D2 | 0.134 |
| Deuteranopia (no green cones) | #D1D2D5 | 0.129 |
| Tritanopia (no blue cones) | #00F2E7 | 0.035 |
| Achromatopsia (no color) | #D9D9D9 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63EFD3
#63EFD3
oklch(86.8% 0.128 177.7)
- #FFBFD3
#FFBFD3
oklch(86.8% 0.077 358.3)
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 #63EFD3, closest first.
No curated palette has a color within ΔE 0.04 of #63EFD3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Turquoise #7EF4CC ΔE 0.028
- Bright Aqua #0BF9EA ΔE 0.038
- Light Teal #90E4C1 ΔE 0.041
- Aqua Marine #2EE8BB ΔE 0.047
- Bright Teal #01F9C6 ΔE 0.047
- Turquoise #40E0D0 ΔE 0.049
- Light Aquamarine #7BFDC7 ΔE 0.051
- Aquamarine #7FFFD4 ΔE 0.051
Use #63EFD3 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.