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Recognised as Colour

#D9E9EB

  • #D9E9EB
  • Cyan
  • Light
  • Nearest: Gainsboro

#D9E9EB is a cyan with RGB values 217, 233, 235 and HSL 187°, 31%, 89%. It is a light colour, so black text on it reaches 16.8:1 contrast (AAA for normal text). The nearest named colour is Gainsboro.

Colour values

#D9E9EB#D9E9EB
HEX#D9E9EB
RGBrgb(217, 233, 235)
RGB (0–1)0.851, 0.9137, 0.9216
RGB percentages85.1%, 91.4%, 92.2%
HSLhsl(186.7, 31%, 88.6%)
HSV / HSBhsv(186.7, 7.7%, 92.2%)
CMYK7.7%, 0.9%, 0%, 7.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,281,195
CSS custom property--colour: #D9E9EB;

Brightness & contrast

Relative luminance0.79028WCAG 2.x, 0 is black and 1 is white
Perceived brightness228.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.81:1
Contrast with white1.25:1WCAG normal text: Fail
Contrast with black16.81:1WCAG normal text: AAA
Greyscale equivalent#E6E6E6
Inverted#261614

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E6E7EBno red cones; affects about 1% of men; ΔE 5.4 from the original
Deuteranopia#E3E5EBno green cones; the most common form, about 1% of men; ΔE 5.3 from the original
Tritanopia#D4EAEAno blue cones; rare, and affects men and women equally; ΔE 2.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.25:1WCAG large text: Fail
Contrast with black, large text16.81:1WCAG large text: AAA

Named colours

Gainsboro · ΔE 6.6Alice blue · ΔE 7.1White smoke · ΔE 7.7Azure · ΔE 7.8Light cyan · ΔE 8.3Light grey · ΔE 8.8
Nearest named CSS colourGainsboro (#DCDCDC)ΔE 6.63, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EBDBD9
Analogous#D9EBE4, #D9E0EB
Triadic#EBD9E9, #E9EBD9
Split complementary#EBD9E0, #EBE4D9
Tetradic#E4D9EB, #EBDBD9, #E0EBD9

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#FAFCFD
Darker −10%#B8D6D9
Darker −20%#96C2C8
Darker −30%#75AFB6
Darker −40%#569AA2
More saturated +25%#D2EFF2
Less saturated −25%#E0E3E4

Channel breakdown

R217
G233
B235
Red217 (85.1%)
Green233 (91.4%)
Blue235 (92.2%)
Hue186.67°
Saturation (HSL)31.03%
Lightness88.63%
Dominant channelBlue
Hex per channelR D9 · G E9 · B EB

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Every value on this page was computed from “d9e9eb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.