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Colour

#55D0FF

  • #55D0FF
  • Cyan
  • Light
  • Nearest: Light skyblue

#55D0FF is a cyan with RGB values 85, 208, 255 and HSL 197°, 100%, 67%. It is a light colour, so black text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#55D0FF#55D0FF
HEX#55D0FF
RGBrgb(85, 208, 255)
RGB (0–1)0.3333, 0.8157, 1
RGB percentages33.3%, 81.6%, 100%
HSLhsl(196.6, 100%, 66.7%)
HSV / HSBhsv(196.6, 66.7%, 100%)
CMYK66.7%, 18.4%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,624,063
CSS custom property--colour: #55D0FF;

Brightness & contrast

Relative luminance0.54263WCAG 2.x, 0 is black and 1 is white
Perceived brightness187 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.85:1
Contrast with white1.77:1WCAG normal text: Fail
Contrast with black11.85:1WCAG normal text: AAA
Greyscale equivalent#B9B9B9
Inverted#AA2F00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B7CCFFno red cones; affects about 1% of men; ΔE 25 from the original
Deuteranopia#9FBBFEno green cones; the most common form, about 1% of men; ΔE 26.8 from the original
Tritanopia#00DEDFno blue cones; rare, and affects men and women equally; ΔE 30.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.77:1WCAG large text: Fail
Contrast with black, large text11.85:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 10.3Deep skyblue · ΔE 11.5Sky blue · ΔE 12.9Light blue · ΔE 24Light steelblue · ΔE 25.9Powder blue · ΔE 26.8
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 10.3, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF8455
Analogous#55FFD9, #557BFF
Triadic#FF55D0, #D0FF55
Split complementary#FF557B, #FFD955
Tetradic#D955FF, #FF8455, #7BFF55

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EEFAFF
Lighter +20%#BBECFF
Lighter +10%#88DEFF
Darker −10%#22C2FF
Darker −20%#00ACEE
Darker −30%#0087BB
Darker −40%#006288
More saturated +25%#55D0FF
Less saturated −25%#6AC6EA

Channel breakdown

R85
G208
B255
Red85 (33.3%)
Green208 (81.6%)
Blue255 (100%)
Hue196.59°
Saturation (HSL)100%
Lightness66.67%
Dominant channelBlue
Hex per channelR 55 · G D0 · B FF

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Every value on this page was computed from “55d0ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.