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Recognised as Colour

#99E1FF

  • #99E1FF
  • Cyan
  • Light
  • Nearest: Sky blue

#99E1FF is a cyan with RGB values 153, 225, 255 and HSL 198°, 100%, 80%. It is a light colour, so black text on it reaches 14.6:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#99E1FF#99E1FF
HEX#99E1FF
RGBrgb(153, 225, 255)
RGB (0–1)0.6, 0.8824, 1
RGB percentages60%, 88.2%, 100%
HSLhsl(197.6, 100%, 80%)
HSV / HSBhsv(197.6, 40%, 100%)
CMYK40%, 11.8%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,084,863
CSS custom property--colour: #99E1FF;

Brightness & contrast

Relative luminance0.67843WCAG 2.x, 0 is black and 1 is white
Perceived brightness210.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.57:1
Contrast with white1.44:1WCAG normal text: Fail
Contrast with black14.57:1WCAG normal text: AAA
Greyscale equivalent#D4D4D4
Inverted#661E00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D1DEFFno red cones; affects about 1% of men; ΔE 17.9 from the original
Deuteranopia#C2D2FFno green cones; the most common form, about 1% of men; ΔE 19.3 from the original
Tritanopia#70EAEAno blue cones; rare, and affects men and women equally; ΔE 22.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.44:1WCAG large text: Fail
Contrast with black, large text14.57:1WCAG large text: AAA

Named colours

Sky blue · ΔE 6.7Light skyblue · ΔE 10.2Light blue · ΔE 11.1Powder blue · ΔE 13.6Pale turquoise · ΔE 16.4Light steelblue · ΔE 16.9
Nearest named CSS colourSky blue (#87CEEB)ΔE 6.73, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFB799
Analogous#99FFEA, #99AEFF
Triadic#FF99E1, #E1FF99
Split complementary#FF99AE, #FFEA99
Tetradic#EA99FF, #FFB799, #AEFF99

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#CCF0FF
Darker −10%#66D2FF
Darker −20%#33C3FF
Darker −30%#00B4FF
Darker −40%#0090CC
More saturated +25%#99E1FF
Less saturated −25%#A6DCF2

Channel breakdown

R153
G225
B255
Red153 (60%)
Green225 (88.2%)
Blue255 (100%)
Hue197.65°
Saturation (HSL)100%
Lightness80%
Dominant channelBlue
Hex per channelR 99 · G E1 · B FF

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Every value on this page was computed from “99e1ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.