#63CEAE
Closest named color: Medium Aquamarine (#66CDAA). oklch(77.9% 0.11 171.3), rgb(99, 206, 174).
Aa
Black text reads best on this color (10.97:1).
About this color
#63CEAE is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 78%, its chroma 0.110 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.005 away. Black text reads best on it, at 10.97:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 10.97:1 |
| White text | 1.91:1 |
Values
| HEX | #63CEAE |
| RGB | rgb(99, 206, 174) |
| HSL | hsl(162, 52%, 60%) |
| OKLCH | oklch(77.9% 0.11 171.3) |
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 #63CEAE | 1.91:1 | Fails | Lc -40.6 | Non-text elements, placeholder text |
| Black text on #63CEAE | 10.97:1 | AAA | Lc 67.6 | Content text, not long reading |
| #63CEAE text on white | 1.91:1 | Fails | Lc 36.3 | Non-text elements, placeholder text |
| #63CEAE text on black | 10.97:1 | AAA | Lc -66.1 | 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
#ECF9F4
oklch(97.1% 0.015 171.1)
-
Step 100
100
#D6F1E7
oklch(93.6% 0.031 171.4)
-
Step 200
200
#B1E7D4
oklch(88.5% 0.061 171.3)
-
Step 300
300 (this color)
#63CEAE
oklch(77.9% 0.11 171.3)
-
Step 400
400
#00BC95
oklch(70.8% 0.139 170.9)
-
Step 500
500
#00A180
oklch(63.1% 0.123 171.4)
-
Step 600
600
#00876B
oklch(55.5% 0.108 171.4)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#005D49
oklch(42.6% 0.083 171.6)
-
Step 900
900
#004E3C
oklch(37.7% 0.074 170.6)
-
Step 950
950
#002F23
oklch(27.2% 0.053 170.5)
#63CEAE 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) | #C9C2AC | 0.114 |
| Deuteranopia (no green cones) | #B8B6B0 | 0.109 |
| Tritanopia (no blue cones) | #33CFC5 | 0.038 |
| Achromatopsia (no color) | #BBBBBB | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63CEAE
#63CEAE
oklch(77.9% 0.11 171.3)
- #ED99BF
#ED99BF
oklch(77.8% 0.11 351.3)
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 #63CEAE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.005
- Seafoam Blue #78D1B6 ΔE 0.024
- Pale Teal #82CBB2 ΔE 0.030
- Medium Turquoise #48D1CC ΔE 0.041
- Emerald #06D6A0 ΔE 0.050
- Tiffany Blue #94D2BD ΔE 0.054
- Turquoise #40E0D0 ΔE 0.056
- Dark Turquoise #00CED1 ΔE 0.057
Use #63CEAE 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.