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Colour

#CDEFFF

  • #CDEFFF
  • Cyan
  • Light
  • Nearest: Light blue

#CDEFFF is a cyan with RGB values 205, 239, 255 and HSL 199°, 100%, 90%. It is a light colour, so black text on it reaches 17.4:1 contrast (AAA for normal text). The nearest named colour is Light blue.

Colour values

#CDEFFF#CDEFFF
HEX#CDEFFF
RGBrgb(205, 239, 255)
RGB (0–1)0.8039, 0.9373, 1
RGB percentages80.4%, 93.7%, 100%
HSLhsl(199.2, 100%, 90.2%)
HSV / HSBhsv(199.2, 19.6%, 100%)
CMYK19.6%, 6.3%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,496,319
CSS custom property--colour: #CDEFFF;

Brightness & contrast

Relative luminance0.81932WCAG 2.x, 0 is black and 1 is white
Perceived brightness231.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 17.39:1
Contrast with white1.21:1WCAG normal text: Fail
Contrast with black17.39:1WCAG normal text: AAA
Greyscale equivalent#E9E9E9
Inverted#321000

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E7EDFFno red cones; affects about 1% of men; ΔE 9.4 from the original
Deuteranopia#DFE7FFno green cones; the most common form, about 1% of men; ΔE 9.7 from the original
Tritanopia#BFF4F4no blue cones; rare, and affects men and women equally; ΔE 10.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.21:1WCAG large text: Fail
Contrast with black, large text17.39:1WCAG large text: AAA

Named colours

Light blue · ΔE 9.3Powder blue · ΔE 9.7Light cyan · ΔE 9.9Alice blue · ΔE 10.6Lavender · ΔE 11.6Azure · ΔE 12
Nearest named CSS colourLight blue (#ADD8E6)ΔE 9.3, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFDDCD
Analogous#CDFFF6, #CDD6FF
Triadic#FFCDEF, #EFFFCD
Split complementary#FFCDD6, #FFF6CD
Tetradic#F6CDFF, #FFDDCD, #D6FFCD

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#FFFFFF
Darker −10%#9ADFFF
Darker −20%#67CEFF
Darker −30%#34BEFF
Darker −40%#01AEFF
More saturated +25%#CDEFFF
Less saturated −25%#D3EDF9

Channel breakdown

R205
G239
B255
Red205 (80.4%)
Green239 (93.7%)
Blue255 (100%)
Hue199.2°
Saturation (HSL)100%
Lightness90.2%
Dominant channelBlue
Hex per channelR CD · G EF · B FF

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