#63D2C2
Closest named color: Seafoam Blue (#78D1B6). oklch(79.4% 0.105 182.9), rgb(99, 210, 194).
Aa
Black text reads best on this color (11.52:1).
About this color
#63D2C2 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 79%, its chroma 0.105 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Seafoam Blue (#78D1B6), ΔE 0.021 away. Black text reads best on it, at 11.52:1.
| Hue family | Teals and cyans |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Seafoam Blue (#78D1B6) |
| Black text | 11.52:1 |
| White text | 1.82:1 |
Values
| HEX | #63D2C2 |
| RGB | rgb(99, 210, 194) |
| HSL | hsl(171, 55%, 61%) |
| OKLCH | oklch(79.4% 0.105 182.9) |
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 #63D2C2 | 1.82:1 | Fails | Lc -37.9 | Non-text elements, placeholder text |
| Black text on #63D2C2 | 11.52:1 | AAA | Lc 70.1 | Content text, not long reading |
| #63D2C2 text on white | 1.82:1 | Fails | Lc 33.8 | Non-text elements, placeholder text |
| #63D2C2 text on black | 11.52:1 | AAA | Lc -68.8 | Content text, not long reading |
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
#ECF9F6
oklch(97.2% 0.014 180.7)
-
Step 100
100
#D5F1EC
oklch(93.6% 0.03 183.8)
-
Step 200
200
#AFE6DC
oklch(88.4% 0.058 182.5)
-
Step 300
300 (this color)
#63D2C2
oklch(79.4% 0.105 182.9)
-
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
#008679
oklch(55.7% 0.099 183.1)
-
Step 700
700
#007065
oklch(49% 0.087 183.1)
-
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)
#63D2C2 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) | #C9C8C1 | 0.110 |
| Deuteranopia (no green cones) | #B8BAC4 | 0.107 |
| Tritanopia (no blue cones) | #1BD6CD | 0.032 |
| Achromatopsia (no color) | #C0C0C0 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63D2C2
#63D2C2
oklch(79.4% 0.105 182.9)
- #F59FB5
#F59FB5
oklch(79.4% 0.105 3.1)
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 #63D2C2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam Blue #78D1B6 ΔE 0.021
- Medium Turquoise #48D1CC ΔE 0.022
- Pale Teal #82CBB2 ΔE 0.031
- Medium Aquamarine #66CDAA ΔE 0.032
- Turquoise #40E0D0 ΔE 0.038
- Tiffany Blue #94D2BD ΔE 0.044
- Dark Turquoise #00CED1 ΔE 0.045
- Aqua Blue #02D8E9 ΔE 0.057
Use #63D2C2 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.