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Recognised as Colour

#ADD0DC

  • #ADD0DC
  • Cyan
  • Light
  • Nearest: Light blue

#ADD0DC is a cyan with RGB values 173, 208, 220 and HSL 195°, 40%, 77%. It is a light colour, so black text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Light blue.

Colour values

#ADD0DC#ADD0DC
HEX#ADD0DC
RGBrgb(173, 208, 220)
RGB (0–1)0.6784, 0.8157, 0.8627
RGB percentages67.8%, 81.6%, 86.3%
HSLhsl(195.3, 40.2%, 77.1%)
HSV / HSBhsv(195.3, 21.4%, 86.3%)
CMYK21.4%, 5.5%, 0%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,391,196
CSS custom property--colour: #ADD0DC;

Brightness & contrast

Relative luminance0.59163WCAG 2.x, 0 is black and 1 is white
Perceived brightness199.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.83:1
Contrast with white1.64:1WCAG normal text: Fail
Contrast with black12.83:1WCAG normal text: AAA
Greyscale equivalent#C9C9C9
Inverted#522F23

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C9CEDDno red cones; affects about 1% of men; ΔE 10.4 from the original
Deuteranopia#C1C8DCno green cones; the most common form, about 1% of men; ΔE 10.6 from the original
Tritanopia#9FD4D4no blue cones; rare, and affects men and women equally; ΔE 9.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.64:1WCAG large text: Fail
Contrast with black, large text12.83:1WCAG large text: AAA

Named colours

Light blue · ΔE 3.5Powder blue · ΔE 7.2Light steelblue · ΔE 9.9Sky blue · ΔE 13.1Light grey · ΔE 13.6Silver · ΔE 13.8
Nearest named CSS colourLight blue (#ADD8E6)ΔE 3.54, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DCB9AD
Analogous#ADDCD1, #ADB9DC
Triadic#DCADD0, #D0DCAD
Split complementary#DCADB9, #DCD1AD
Tetradic#D1ADDC, #DCB9AD, #B9DCAD

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F4F9FB
Lighter +10%#D1E4EB
Darker −10%#89BCCD
Darker −20%#66A7BD
Darker −30%#4890A8
Darker −40%#397184
More saturated +25%#9ED7EB
Less saturated −25%#BCC9CD

Channel breakdown

R173
G208
B220
Red173 (67.8%)
Green208 (81.6%)
Blue220 (86.3%)
Hue195.32°
Saturation (HSL)40.17%
Lightness77.06%
Dominant channelBlue
Hex per channelR AD · G D0 · B DC

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Every value on this page was computed from “add0dc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.