Recognised as Colour

#55DDFD

#55DDFD
Cyan
Light
Nearest: Sky blue

#55DDFD is a cyan with RGB values 85, 221, 253 and HSL 191°, 98%, 66%. It is a light colour, so black text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#55DDFD#55DDFD

HEX#55DDFD

RGBrgb(85, 221, 253)

RGB (0–1)0.3333, 0.8667, 0.9922

RGB percentages33.3%, 86.7%, 99.2%

HSLhsl(191.4, 97.7%, 66.3%)

HSV / HSBhsv(191.4, 66.4%, 99.2%)

CMYK66.4%, 12.6%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,627,389

CSS custom property--colour: #55DDFD;

Brightness & contrast

Relative luminance0.60736WCAG 2.x, 0 is black and 1 is white

Perceived brightness195.3 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 13.15:1

Contrast with white1.6:1WCAG normal text: Fail

Contrast with black13.15:1WCAG normal text: AAA

Greyscale equivalent#C2C2C2

Inverted#AA2202

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#C7D7FFno red cones; affects about 1% of men; ΔE 30.7 from the original

Deuteranopia#B0C5FDno green cones; the most common form, about 1% of men; ΔE 32.8 from the original

Tritanopia#00E8E7no blue cones; rare, and affects men and women equally; ΔE 22.6 from the original

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

Contrast with white, large text1.6:1WCAG large text: Fail

Contrast with black, large text13.15:1WCAG large text: AAA

Named colours

Sky blue · ΔE 13.7 Light skyblue · ΔE 16.6 Dark turquoise · ΔE 19.5 Deep skyblue · ΔE 21.1 Medium turquoise · ΔE 21.4 Light blue · ΔE 22.1

Nearest named CSS colourSky blue (#87CEEB)ΔE 13.66, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FD7555

Analogous#55FDC9, #5589FD

Triadic#FD55DD, #DDFD55

Split complementary#FD5589, #FDC955

Tetradic#C955FD, #FD7555, #89FD55

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#ECFBFF

Lighter +20%#BAF1FE

Lighter +10%#87E7FE

Darker −10%#23D3FC

Darker −20%#03BDE9

Darker −30%#0294B7

Darker −40%#026C84

More saturated +25%#53DEFF

Less saturated −25%#6AD0E8

Channel breakdown

R85

G221

B253

Red85 (33.3%)

Green221 (86.7%)

Blue253 (99.2%)

Hue191.43°

Saturation (HSL)97.67%

Lightness66.27%

Dominant channelBlue

Hex per channelR 55 · G DD · B FD

Keep nerding

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

#55DDFD

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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