#63E6DD

Closest named color: Turquoise (#40E0D0). oklch(85% 0.116 189), rgb(99, 230, 221).

Aa

Black text reads best on this color (13.89:1).

About this color

#63E6DD is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.116 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.032 away. Black text reads best on it, at 13.89:1.

Hue familyTeals and cyans
Lightnesslight (85%)
Chromamoderately saturated (0.116)
Temperaturecool
Nearest nameTurquoise (#40E0D0)
Black text13.89:1
White text1.51:1

Values

HEX#63E6DD
RGBrgb(99, 230, 221)
HSLhsl(176, 72%, 65%)
OKLCHoklch(85% 0.116 189)

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.

PairWCAG 2ResultAPCAAPCA guidance
White text on #63E6DD 1.51:1 Fails Lc -26.7 Dividers and decoration only
Black text on #63E6DD 13.89:1 AAA Lc 80.2 Fine for body text
#63E6DD text on white 1.51:1 Fails Lc 23.6 Dividers and decoration only
#63E6DD text on black 13.89:1 AAA Lc -79.6 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.

  1. Step 50

    50

    #E7FAF8

    oklch(97.1% 0.02 189.2)

  2. Step 100

    100

    #CAF4F0

    oklch(93.7% 0.044 189.3)

  3. Step 200

    200 (this color)

    #63E6DD

    oklch(85% 0.116 189)

  4. Step 300

    300

    #00DDD3

    oklch(80.9% 0.14 189)

  5. Step 400

    400

    #00B8B0

    oklch(70.6% 0.122 189.3)

  6. Step 500

    500

    #009E97

    oklch(63.1% 0.109 189.2)

  7. Step 600

    600

    #00857F

    oklch(55.6% 0.096 189.2)

  8. Step 700

    700

    #00706A

    oklch(49.1% 0.085 188.3)

  9. Step 800

    800

    #005C57

    oklch(42.8% 0.074 188.4)

  10. Step 900

    900

    #004C49

    oklch(37.6% 0.065 190.2)

  11. Step 950

    950

    #002E2B

    oklch(27.1% 0.047 188)

Export this scale for Tailwind in the Tailwind colors tool

#63E6DD 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.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#DADBDD0.122
Deuteranopia (no green cones)#C6CCDE0.115
Tritanopia (no blue cones)#00EBE30.031
Achromatopsia (no color)#D2D2D20.117

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #63E6DD

    #63E6DD

    oklch(85% 0.116 189)

  • #FFB7C2

    #FFB7C2

    oklch(84.9% 0.085 8.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #63E6DD

    #63E6DD

    oklch(85% 0.116 189)

  • #87E5B2

    #87E5B2

    oklch(85% 0.116 158.9)

  • #6FDFFF

    #6FDFFF

    oklch(85% 0.111 219.1)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #63E6DD

    #63E6DD

    oklch(85% 0.116 189)

  • #FFB1E6

    #FFB1E6

    oklch(85% 0.112 339.1)

  • #FFBBA5

    #FFBBA5

    oklch(84.9% 0.085 38.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #63E6DD

    #63E6DD

    oklch(85% 0.116 189)

  • #E0BCFF

    #E0BCFF

    oklch(84.9% 0.099 308.8)

  • #FFC077

    #FFC077

    oklch(85% 0.116 69.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #63E6DD

    #63E6DD

    oklch(85% 0.116 189)

  • #C2C9FF

    #C2C9FF

    oklch(84.9% 0.076 278.9)

  • #FFB7C2

    #FFB7C2

    oklch(84.9% 0.085 8.9)

  • #E0CF72

    #E0CF72

    oklch(84.9% 0.116 99.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #63E6DD, closest first.

No curated palette has a color within ΔE 0.04 of #63E6DD.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #63E6DD 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.