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Recognised as Colour

#C1DDDD

  • #C1DDDD
  • Cyan
  • Light
  • Nearest: Powder blue

#C1DDDD is a cyan with RGB values 193, 221, 221 and HSL 180°, 29%, 81%. It is a light colour, so black text on it reaches 14.7:1 contrast (AAA for normal text). The nearest named colour is Powder blue.

Colour values

#C1DDDD#C1DDDD
HEX#C1DDDD
RGBrgb(193, 221, 221)
RGB (0–1)0.7569, 0.8667, 0.8667
RGB percentages75.7%, 86.7%, 86.7%
HSLhsl(180, 29.2%, 81.2%)
HSV / HSBhsv(180, 12.7%, 86.7%)
CMYK12.7%, 0%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,705,245
CSS custom property--colour: #C1DDDD;

Brightness & contrast

Relative luminance0.68271WCAG 2.x, 0 is black and 1 is white
Perceived brightness213 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.65:1
Contrast with white1.43:1WCAG normal text: Fail
Contrast with black14.65:1WCAG normal text: AAA
Greyscale equivalent#D7D7D7
Inverted#3E2222

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D9DADDno red cones; affects about 1% of men; ΔE 9.6 from the original
Deuteranopia#D3D6DDno green cones; the most common form, about 1% of men; ΔE 9.5 from the original
Tritanopia#B9DFDDno blue cones; rare, and affects men and women equally; ΔE 3.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.43:1WCAG large text: Fail
Contrast with black, large text14.65:1WCAG large text: AAA

Named colours

Powder blue · ΔE 6.9Light blue · ΔE 8.8Light grey · ΔE 9.9Gainsboro · ΔE 9.9Pale turquoise · ΔE 11.6Light cyan · ΔE 11.8
Nearest named CSS colourPowder blue (#B0E0E6)ΔE 6.9, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DDC1C1
Analogous#C1DDCF, #C1CFDD
Triadic#DDC1DD, #DDDDC1
Split complementary#DDC1CF, #DDCFC1
Tetradic#CFC1DD, #DDC1C1, #CFDDC1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#E2EFEF
Darker −10%#A0CBCB
Darker −20%#7FB9B9
Darker −30%#5EA7A7
Darker −40%#4A8888
More saturated +25%#B5E9E9
Less saturated −25%#CDD1D1

Channel breakdown

R193
G221
B221
Red193 (75.7%)
Green221 (86.7%)
Blue221 (86.7%)
Hue180°
Saturation (HSL)29.17%
Lightness81.18%
Dominant channelGreen and Blue
Hex per channelR C1 · G DD · B DD

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Every value on this page was computed from “c1dddd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.