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Recognised as Colour

#A4D4DC

  • #A4D4DC
  • Cyan
  • Light
  • Nearest: Light blue

#A4D4DC is a cyan with RGB values 164, 212, 220 and HSL 189°, 44%, 75%. It is a light colour, so black text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Light blue.

Colour values

#A4D4DC#A4D4DC
HEX#A4D4DC
RGBrgb(164, 212, 220)
RGB (0–1)0.6431, 0.8314, 0.8627
RGB percentages64.3%, 83.1%, 86.3%
HSLhsl(188.6, 44.4%, 75.3%)
HSV / HSBhsv(188.6, 25.5%, 86.3%)
CMYK25.5%, 3.6%, 0%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,802,396
CSS custom property--colour: #A4D4DC;

Brightness & contrast

Relative luminance0.60147WCAG 2.x, 0 is black and 1 is white
Perceived brightness199.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.03:1
Contrast with white1.61:1WCAG normal text: Fail
Contrast with black13.03:1WCAG normal text: AAA
Greyscale equivalent#CACACA
Inverted#5B2B23

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CCD0DDno red cones; affects about 1% of men; ΔE 15.1 from the original
Deuteranopia#C2C8DCno green cones; the most common form, about 1% of men; ΔE 15.7 from the original
Tritanopia#92D8D6no blue cones; rare, and affects men and women equally; ΔE 9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.61:1WCAG large text: Fail
Contrast with black, large text13.03:1WCAG large text: AAA

Named colours

Light blue · ΔE 4.2Powder blue · ΔE 4.4Pale turquoise · ΔE 10.4Sky blue · ΔE 12.6Light steelblue · ΔE 14.3Light grey · ΔE 16.6
Nearest named CSS colourLight blue (#ADD8E6)ΔE 4.19, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DCACA4
Analogous#A4DCC8, #A4B8DC
Triadic#DCA4D4, #D4DCA4
Split complementary#DCA4B8, #DCC8A4
Tetradic#C8A4DC, #DCACA4, #B8DCA4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#EEF7F8
Lighter +10%#C9E5EA
Darker −10%#7FC3CE
Darker −20%#5AB1C0
Darker −30%#4098A7
Darker −40%#327782
More saturated +25%#94DFEC
Less saturated −25%#B4C9CC

Channel breakdown

R164
G212
B220
Red164 (64.3%)
Green212 (83.1%)
Blue220 (86.3%)
Hue188.57°
Saturation (HSL)44.44%
Lightness75.29%
Dominant channelBlue
Hex per channelR A4 · G D4 · B DC

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Every value on this page was computed from “a4d4dc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.