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Recognised as Colour

#ADD6DB

  • #ADD6DB
  • Cyan
  • Light
  • Nearest: Powder blue

#ADD6DB is a cyan with RGB values 173, 214, 219 and HSL 187°, 39%, 77%. It is a light colour, so black text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Powder blue.

Colour values

#ADD6DB#ADD6DB
HEX#ADD6DB
RGBrgb(173, 214, 219)
RGB (0–1)0.6784, 0.8392, 0.8588
RGB percentages67.8%, 83.9%, 85.9%
HSLhsl(186.5, 39%, 76.9%)
HSV / HSBhsv(186.5, 21%, 85.9%)
CMYK21%, 2.3%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,392,731
CSS custom property--colour: #ADD6DB;

Brightness & contrast

Relative luminance0.62092WCAG 2.x, 0 is black and 1 is white
Perceived brightness203.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.42:1
Contrast with white1.57:1WCAG normal text: Fail
Contrast with black13.42:1WCAG normal text: AAA
Greyscale equivalent#CECECE
Inverted#522924

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CFD2DBno red cones; affects about 1% of men; ΔE 13.2 from the original
Deuteranopia#C7CCDBno green cones; the most common form, about 1% of men; ΔE 13.5 from the original
Tritanopia#9FDAD7no blue cones; rare, and affects men and women equally; ΔE 7.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.57:1WCAG large text: Fail
Contrast with black, large text13.42:1WCAG large text: AAA

Named colours

Powder blue · ΔE 3.8Light blue · ΔE 4.9Pale turquoise · ΔE 10.2Light grey · ΔE 14.2Light steelblue · ΔE 14.5Gainsboro · ΔE 14.9
Nearest named CSS colourPowder blue (#B0E0E6)ΔE 3.82, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DBB2AD
Analogous#ADDBC9, #ADBFDB
Triadic#DBADD6, #D6DBAD
Split complementary#DBADBF, #DBC9AD
Tetradic#C9ADDB, #DBB2AD, #BFDBAD

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F4F9FA
Lighter +10%#D0E8EB
Darker −10%#8AC4CB
Darker −20%#66B3BC
Darker −30%#499CA6
Darker −40%#397B83
More saturated +25%#9EE2EA
Less saturated −25%#BCCACC

Channel breakdown

R173
G214
B219
Red173 (67.8%)
Green214 (83.9%)
Blue219 (85.9%)
Hue186.52°
Saturation (HSL)38.98%
Lightness76.86%
Dominant channelBlue
Hex per channelR AD · G D6 · B DB

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Every value on this page was computed from “add6db” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.