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Recognised as Colour

#90C5E5

  • #90C5E5
  • Blue
  • Light
  • Nearest: Sky blue

#90C5E5 is a blue with RGB values 144, 197, 229 and HSL 203°, 62%, 73%. 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

#90C5E5#90C5E5
HEX#90C5E5
RGBrgb(144, 197, 229)
RGB (0–1)0.5647, 0.7725, 0.898
RGB percentages56.5%, 77.3%, 89.8%
HSLhsl(202.6, 62%, 73.1%)
HSV / HSBhsv(202.6, 37.1%, 89.8%)
CMYK37.1%, 14%, 0%, 10.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,487,845
CSS custom property--colour: #90C5E5;

Brightness & contrast

Relative luminance0.51519WCAG 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 11.3:1
Contrast with white1.86:1WCAG normal text: Fail
Contrast with black11.3:1WCAG normal text: AAA
Greyscale equivalent#BCBCBC
Inverted#6F3A1A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B6C3E7no red cones; affects about 1% of men; ΔE 12.8 from the original
Deuteranopia#AABAE5no green cones; the most common form, about 1% of men; ΔE 13.5 from the original
Tritanopia#72CDCFno blue cones; rare, and affects men and women equally; ΔE 21 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 text11.3:1WCAG large text: AAA

Named colours

Sky blue · ΔE 5.9Light skyblue · ΔE 7.8Light steelblue · ΔE 10.3Light blue · ΔE 12.1Powder blue · ΔE 16.9Pale turquoise · ΔE 22.4
Nearest named CSS colourSky blue (#87CEEB)ΔE 5.89, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E5B090
Analogous#90E5DB, #909AE5
Triadic#E590C5, #C5E590
Split complementary#E5909A, #E5DB90
Tetradic#DB90E5, #E5B090, #9AE590

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E3F0F8
Lighter +10%#B9DBEF
Darker −10%#67AFDB
Darker −20%#3D9AD2
Darker −30%#2A7FB2
Darker −40%#206189
More saturated +25%#7FC9F6
Less saturated −25%#A1C1D4

Channel breakdown

R144
G197
B229
Red144 (56.5%)
Green197 (77.3%)
Blue229 (89.8%)
Hue202.59°
Saturation (HSL)62.04%
Lightness73.14%
Dominant channelBlue
Hex per channelR 90 · G C5 · B E5

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Every value on this page was computed from “90c5e5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.