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Recognised as Colour

#90D9FF

  • #90D9FF
  • Blue
  • Light
  • Nearest: Light skyblue

#90D9FF is a blue with RGB values 144, 217, 255 and HSL 201°, 100%, 78%. It is a light colour, so black text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#90D9FF#90D9FF
HEX#90D9FF
RGBrgb(144, 217, 255)
RGB (0–1)0.5647, 0.851, 1
RGB percentages56.5%, 85.1%, 100%
HSLhsl(200.5, 100%, 78.2%)
HSV / HSBhsv(200.5, 43.5%, 100%)
CMYK43.5%, 14.9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,492,991
CSS custom property--colour: #90D9FF;

Brightness & contrast

Relative luminance0.62775WCAG 2.x, 0 is black and 1 is white
Perceived brightness203.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.56:1
Contrast with white1.55:1WCAG normal text: Fail
Contrast with black13.56:1WCAG normal text: AAA
Greyscale equivalent#CCCCCC
Inverted#6F2600

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C7D7FFno red cones; affects about 1% of men; ΔE 16.8 from the original
Deuteranopia#B7CAFEno green cones; the most common form, about 1% of men; ΔE 18.2 from the original
Tritanopia#60E3E5no blue cones; rare, and affects men and women equally; ΔE 25.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.55:1WCAG large text: Fail
Contrast with black, large text13.56:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 5.1Sky blue · ΔE 6.2Light blue · ΔE 14.3Light steelblue · ΔE 16.5Powder blue · ΔE 17.9Deep skyblue · ΔE 20.6
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 5.13, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFB690
Analogous#90FFED, #90A2FF
Triadic#FF90D9, #D9FF90
Split complementary#FF90A2, #FFED90
Tetradic#EE90FF, #FFB690, #A2FF90

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F6FCFF
Lighter +10%#C3EAFF
Darker −10%#5DC8FF
Darker −20%#2AB6FF
Darker −30%#00A2F6
Darker −40%#0080C3
More saturated +25%#90D9FF
Less saturated −25%#9ED5F1

Channel breakdown

R144
G217
B255
Red144 (56.5%)
Green217 (85.1%)
Blue255 (100%)
Hue200.54°
Saturation (HSL)100%
Lightness78.24%
Dominant channelBlue
Hex per channelR 90 · G D9 · B FF

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Every value on this page was computed from “90d9ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.