Recognised as Colour

#ADD9DE

#ADD9DE
Cyan
Light
Nearest: Powder blue

#ADD9DE is a cyan with RGB values 173, 217, 222 and HSL 186°, 43%, 77%. It is a light colour, so black text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Powder blue.

Colour values

#ADD9DE#ADD9DE

HEX#ADD9DE

RGBrgb(173, 217, 222)

RGB (0–1)0.6784, 0.851, 0.8706

RGB percentages67.8%, 85.1%, 87.1%

HSLhsl(186.1, 42.6%, 77.5%)

HSV / HSBhsv(186.1, 22.1%, 87.1%)

CMYK22.1%, 2.3%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,393,502

CSS custom property--colour: #ADD9DE;

Brightness & contrast

Relative luminance0.63784WCAG 2.x, 0 is black and 1 is white

Perceived brightness205.4 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 13.76:1

Contrast with white1.53:1WCAG normal text: Fail

Contrast with black13.76:1WCAG normal text: AAA

Greyscale equivalent#D0D0D0

Inverted#522621

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#D2D5DEno red cones; affects about 1% of men; ΔE 14.1 from the original

Deuteranopia#C9CEDEno green cones; the most common form, about 1% of men; ΔE 14.6 from the original

Tritanopia#9EDDDAno blue cones; rare, and affects men and women equally; ΔE 7.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.53:1WCAG large text: Fail

Contrast with black, large text13.76:1WCAG large text: AAA

Named colours

Powder blue · ΔE 2.6 Light blue · ΔE 4.9 Pale turquoise · ΔE 9 Light cyan · ΔE 14.9 Sky blue · ΔE 14.9 Light grey · ΔE 15

Nearest named CSS colourPowder blue (#B0E0E6)ΔE 2.6, a close match

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DEB2AD

Analogous#ADDECB, #ADC1DE

Triadic#DEADD9, #D9DEAD

Split complementary#DEADC1, #DECBAD

Tetradic#CBADDE, #DEB2AD, #C0DEAD

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#F6FBFB

Lighter +10%#D1EAED

Darker −10%#89C8CF

Darker −20%#64B7C1

Darker −30%#45A2AD

Darker −40%#378088

More saturated +25%#9FE4EC

Less saturated −25%#BBCED0

Channel breakdown

R173

G217

B222

Red173 (67.8%)

Green217 (85.1%)

Blue222 (87.1%)

Hue186.12°

Saturation (HSL)42.61%

Lightness77.45%

Dominant channelBlue

Hex per channelR AD · G D9 · B DE

Keep nerding

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

#ADD9DE

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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