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Recognised as Colour

#91FFFB

  • #91FFFB
  • Cyan
  • Light
  • Nearest: Pale turquoise

#91FFFB is a cyan with RGB values 145, 255, 251 and HSL 178°, 100%, 78%. It is a light colour, so black text on it reaches 17.9:1 contrast (AAA for normal text). The nearest named colour is Pale turquoise.

Colour values

#91FFFB#91FFFB
HEX#91FFFB
RGBrgb(145, 255, 251)
RGB (0–1)0.5686, 1, 0.9843
RGB percentages56.9%, 100%, 98.4%
HSLhsl(177.8, 100%, 78.4%)
HSV / HSBhsv(177.8, 43.1%, 100%)
CMYK43.1%, 0%, 1.6%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,568,251
CSS custom property--colour: #91FFFB;

Brightness & contrast

Relative luminance0.84505WCAG 2.x, 0 is black and 1 is white
Perceived brightness227.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 17.9:1
Contrast with white1.17:1WCAG normal text: Fail
Contrast with black17.9:1WCAG normal text: AAA
Greyscale equivalent#E7E7E7
Inverted#6E0004

Colour vision & accessibility

Protanopia#F3F5FBno red cones; affects about 1% of men; ΔE 33.4 from the original
Deuteranopia#E0E7FCno green cones; the most common form, about 1% of men; ΔE 34.4 from the original
Tritanopia#5CFFFDno blue cones; rare, and affects men and women equally; ΔE 10.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.17:1WCAG large text: Fail
Contrast with black, large text17.9:1WCAG large text: AAA

Named colours

Nearest named CSS colourPale turquoise (#AFEEEE)ΔE 13.49, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#FF9195
Analogous#91FFC4, #91CCFF
Triadic#FB91FF, #FFFB91
Split complementary#FF91CC, #FFC491
Tetradic#C491FF, #FF9195, #CCFF91

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F7FFFF
Lighter +10%#C4FFFD
Darker −10%#5EFFF9
Darker −20%#2BFFF7
Darker −30%#00F7EE
Darker −40%#00C4BD
More saturated +25%#91FFFB
Less saturated −25%#9FF1EE

Channel breakdown

R145
G255
B251
Red145 (56.9%)
Green255 (100%)
Blue251 (98.4%)
Hue177.82°
Saturation (HSL)100%
Lightness78.43%
Dominant channelGreen
Hex per channelR 91 · G FF · B FB

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Every value on this page was computed from “91fffb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.