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Recognised as Colour

#55E4FB

  • #55E4FB
  • Cyan
  • Light
  • Nearest: Dark turquoise

#55E4FB is a cyan with RGB values 85, 228, 251 and HSL 188°, 95%, 66%. It is a light colour, so black text on it reaches 13.9:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#55E4FB#55E4FB
HEX#55E4FB
RGBrgb(85, 228, 251)
RGB (0–1)0.3333, 0.8941, 0.9843
RGB percentages33.3%, 89.4%, 98.4%
HSLhsl(188.3, 95.4%, 65.9%)
HSV / HSBhsv(188.3, 66.1%, 98.4%)
CMYK66.1%, 9.2%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,629,179
CSS custom property--colour: #55E4FB;

Brightness & contrast

Relative luminance0.64383WCAG 2.x, 0 is black and 1 is white
Perceived brightness199.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.88:1
Contrast with white1.51:1WCAG normal text: Fail
Contrast with black13.88:1WCAG normal text: AAA
Greyscale equivalent#C7C7C7
Inverted#AA1B04

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D0DCFCno red cones; affects about 1% of men; ΔE 34.1 from the original
Deuteranopia#B8CAFBno green cones; the most common form, about 1% of men; ΔE 35.9 from the original
Tritanopia#00EEEBno blue cones; rare, and affects men and women equally; ΔE 18.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.51:1WCAG large text: Fail
Contrast with black, large text13.88:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 15.4Medium turquoise · ΔE 17Sky blue · ΔE 17Aqua · ΔE 20.1Cyan · ΔE 20.1Pale turquoise · ΔE 20.6
Nearest named CSS colourDark turquoise (#00CED1)ΔE 15.43, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FB6C55
Analogous#55FBBF, #5591FB
Triadic#FB55E4, #E4FB55
Split complementary#FB5591, #FBBF55
Tetradic#BF55FB, #FB6C55, #91FB55

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EAFCFF
Lighter +20%#B9F4FD
Lighter +10%#87ECFC
Darker −10%#23DCFA
Darker −20%#05C6E5
Darker −30%#049BB3
Darker −40%#037081
More saturated +25%#51E7FF
Less saturated −25%#6BD4E5

Channel breakdown

R85
G228
B251
Red85 (33.3%)
Green228 (89.4%)
Blue251 (98.4%)
Hue188.31°
Saturation (HSL)95.4%
Lightness65.88%
Dominant channelBlue
Hex per channelR 55 · G E4 · B FB

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Every value on this page was computed from “55e4fb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.