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Recognised as Colour

#ADDDFE

  • #ADDDFE
  • Blue
  • Light
  • Nearest: Sky blue

#ADDDFE is a blue with RGB values 173, 221, 254 and HSL 204°, 98%, 84%. 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

#ADDDFE#ADDDFE
HEX#ADDDFE
RGBrgb(173, 221, 254)
RGB (0–1)0.6784, 0.8667, 0.9961
RGB percentages67.8%, 86.7%, 99.6%
HSLhsl(204.4, 97.6%, 83.7%)
HSV / HSBhsv(204.4, 31.9%, 99.6%)
CMYK31.9%, 13%, 0%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,394,558
CSS custom property--colour: #ADDDFE;

Brightness & contrast

Relative luminance0.67753WCAG 2.x, 0 is black and 1 is white
Perceived brightness212.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.55:1
Contrast with white1.44:1WCAG normal text: Fail
Contrast with black14.55:1WCAG normal text: AAA
Greyscale equivalent#D5D5D5
Inverted#522201

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CFDCFFno red cones; affects about 1% of men; ΔE 11.1 from the original
Deuteranopia#C4D3FDno green cones; the most common form, about 1% of men; ΔE 11.7 from the original
Tritanopia#93E5E8no blue cones; rare, and affects men and women equally; ΔE 20 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 text14.55:1WCAG large text: AAA

Named colours

Sky blue · ΔE 9.6Light skyblue · ΔE 10.1Light blue · ΔE 10.2Light steelblue · ΔE 11.6Powder blue · ΔE 14.4Lavender · ΔE 17.3
Nearest named CSS colourSky blue (#87CEEB)ΔE 9.62, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FECEAD
Analogous#ADFEF7, #ADB5FE
Triadic#FEADDD, #DDFEAD
Split complementary#FEADB5, #FEF7AD
Tetradic#F7ADFE, #FECEAD, #B5FEAD

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#DFF2FF
Darker −10%#7BC8FD
Darker −20%#48B3FD
Darker −30%#169EFC
Darker −40%#0384DC
More saturated +25%#ACDDFF
Less saturated −25%#B7DBF4

Channel breakdown

R173
G221
B254
Red173 (67.8%)
Green221 (86.7%)
Blue254 (99.6%)
Hue204.44°
Saturation (HSL)97.59%
Lightness83.73%
Dominant channelBlue
Hex per channelR AD · G DD · B FE

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