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Recognised as Colour

#ADDFEF

  • #ADDFEF
  • Cyan
  • Light
  • Nearest: Light blue

#ADDFEF is a cyan with RGB values 173, 223, 239 and HSL 195°, 67%, 81%. It is a light colour, so black text on it reaches 14.6:1 contrast (AAA for normal text). The nearest named colour is Light blue.

Colour values

#ADDFEF#ADDFEF
HEX#ADDFEF
RGBrgb(173, 223, 239)
RGB (0–1)0.6784, 0.8745, 0.9373
RGB percentages67.8%, 87.5%, 93.7%
HSLhsl(194.5, 67.3%, 80.8%)
HSV / HSBhsv(194.5, 27.6%, 93.7%)
CMYK27.6%, 6.7%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,395,055
CSS custom property--colour: #ADDFEF;

Brightness & contrast

Relative luminance0.67892WCAG 2.x, 0 is black and 1 is white
Perceived brightness211.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.58:1
Contrast with white1.44:1WCAG normal text: Fail
Contrast with black14.58:1WCAG normal text: AAA
Greyscale equivalent#D6D6D6
Inverted#522010

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D5DCF0no red cones; affects about 1% of men; ΔE 14.3 from the original
Deuteranopia#CAD3EFno green cones; the most common form, about 1% of men; ΔE 15.1 from the original
Tritanopia#98E5E4no blue cones; rare, and affects men and women equally; ΔE 12.8 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 text14.58:1WCAG large text: AAA

Named colours

Light blue · ΔE 3.1Powder blue · ΔE 5.3Pale turquoise · ΔE 10.6Sky blue · ΔE 10.9Light steelblue · ΔE 13.6Light cyan · ΔE 15.5
Nearest named CSS colourLight blue (#ADD8E6)ΔE 3.08, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EFBDAD
Analogous#ADEFDE, #ADBEEF
Triadic#EFADDF, #DFEFAD
Split complementary#EFADBE, #EFDEAD
Tetradic#DEADEF, #EFBDAD, #BEEFAD

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#D8F0F7
Darker −10%#82CEE7
Darker −20%#58BEDE
Darker −30%#2DADD6
Darker −40%#228CAE
More saturated +25%#A1E5FB
Less saturated −25%#B9D9E3

Channel breakdown

R173
G223
B239
Red173 (67.8%)
Green223 (87.5%)
Blue239 (93.7%)
Hue194.55°
Saturation (HSL)67.35%
Lightness80.78%
Dominant channelBlue
Hex per channelR AD · G DF · B EF

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