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Recognised as Colour

#55CEE2

  • #55CEE2
  • Cyan
  • Light
  • Nearest: Sky blue

#55CEE2 is a cyan with RGB values 85, 206, 226 and HSL 189°, 71%, 61%. It is a light colour, so black text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#55CEE2#55CEE2
HEX#55CEE2
RGBrgb(85, 206, 226)
RGB (0–1)0.3333, 0.8078, 0.8863
RGB percentages33.3%, 80.8%, 88.6%
HSLhsl(188.5, 70.9%, 61%)
HSV / HSBhsv(188.5, 62.4%, 88.6%)
CMYK62.4%, 8.8%, 0%, 11.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,623,522
CSS custom property--colour: #55CEE2;

Brightness & contrast

Relative luminance0.51565WCAG 2.x, 0 is black and 1 is white
Perceived brightness181.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.31:1
Contrast with white1.86:1WCAG normal text: Fail
Contrast with black11.31:1WCAG normal text: AAA
Greyscale equivalent#B6B6B6
Inverted#AA311D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BDC7E3no red cones; affects about 1% of men; ΔE 30.5 from the original
Deuteranopia#A8B8E2no green cones; the most common form, about 1% of men; ΔE 31.6 from the original
Tritanopia#00D7D4no blue cones; rare, and affects men and women equally; ΔE 17.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.86:1WCAG large text: Fail
Contrast with black, large text11.31:1WCAG large text: AAA

Named colours

Sky blue · ΔE 13.1Dark turquoise · ΔE 14Medium turquoise · ΔE 15.1Light skyblue · ΔE 19.1Light blue · ΔE 20Light seagreen · ΔE 20.2
Nearest named CSS colourSky blue (#87CEEB)ΔE 13.1, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E26955
Analogous#55E2AF, #5588E2
Triadic#E255CE, #CEE255
Split complementary#E25588, #E2AF55
Tetradic#AF55E2, #E26955, #87E255

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D8F4F8
Lighter +20%#ACE7F1
Lighter +10%#81DBE9
Darker −10%#29C1DB
Darker −20%#1E9EB3
Darker −30%#177787
Darker −40%#10515B
More saturated +25%#3CE0FB
Less saturated −25%#6EBCC9

Channel breakdown

R85
G206
B226
Red85 (33.3%)
Green206 (80.8%)
Blue226 (88.6%)
Hue188.51°
Saturation (HSL)70.85%
Lightness60.98%
Dominant channelBlue
Hex per channelR 55 · G CE · B E2

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Every value on this page was computed from “55cee2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.