Colour

#00ADD5

#00ADD5
Cyan
Dark
Nearest: Deep skyblue

#00ADD5 is a cyan with RGB values 0, 173, 213 and HSL 191°, 100%, 42%. It is a dark colour, so black text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#00ADD5#00ADD5

HEX#00ADD5

RGBrgb(0, 173, 213)

RGB (0–1)0, 0.6784, 0.8353

RGB percentages0%, 67.8%, 83.5%

HSLhsl(191.3, 100%, 41.8%)

HSV / HSBhsv(191.3, 100%, 83.5%)

CMYK100%, 18.8%, 0%, 16.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer44,501

CSS custom property--colour: #00ADD5;

Brightness & contrast

Relative luminance0.34691WCAG 2.x, 0 is black and 1 is white

Perceived brightness150.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.94:1

Contrast with white2.65:1WCAG normal text: Fail

Contrast with black7.94:1WCAG normal text: AAA

Greyscale equivalent#8B8B8B

Inverted#FF522A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#96A9D7no red cones; affects about 1% of men; ΔE 27.5 from the original

Deuteranopia#7E98D5no green cones; the most common form, about 1% of men; ΔE 29.5 from the original

Tritanopia#00B9BAno blue cones; rare, and affects men and women equally; ΔE 24.1 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text2.65:1WCAG large text: Fail

Contrast with black, large text7.94:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 14.8 Sky blue · ΔE 18.4 Light skyblue · ΔE 18.7 Steel blue · ΔE 22.9 Cadetblue · ΔE 23.8 Dark turquoise · ΔE 26.2

Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 14.79, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#D52800

Analogous#00D592, #0043D5

Triadic#D500AD, #ADD500

Split complementary#D50043, #D59300

Tetradic#9200D5, #D52800, #42D500

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#A2EEFF

Lighter +30%#6FE4FF

Lighter +20%#3CDAFF

Lighter +10%#09D1FF

Darker −10%#0084A2

Darker −20%#005A6F

Darker −30%#00313C

Darker −40%#000709

More saturated +25%#00ADD5

Less saturated −25%#1B9CBA

Channel breakdown

G173

B213

Red0 (0%)

Green173 (67.8%)

Blue213 (83.5%)

Hue191.27°

Saturation (HSL)100%

Lightness41.76%

Dominant channelBlue

Hex per channelR 00 · G AD · B D5

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#00ADD5

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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