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Recognised as Colour

#A3D9D1

  • #A3D9D1
  • Cyan
  • Light
  • Nearest: Pale turquoise

#A3D9D1 is a cyan with RGB values 163, 217, 209 and HSL 171°, 42%, 75%. It is a light colour, so black text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Pale turquoise.

Colour values

#A3D9D1#A3D9D1
HEX#A3D9D1
RGBrgb(163, 217, 209)
RGB (0–1)0.6392, 0.851, 0.8196
RGB percentages63.9%, 85.1%, 82%
HSLhsl(171.1, 41.5%, 74.5%)
HSV / HSBhsv(171.1, 24.9%, 85.1%)
CMYK24.9%, 0%, 3.7%, 14.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,738,129
CSS custom property--colour: #A3D9D1;

Brightness & contrast

Relative luminance0.62016WCAG 2.x, 0 is black and 1 is white
Perceived brightness201.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.4:1
Contrast with white1.57:1WCAG normal text: Fail
Contrast with black13.4:1WCAG normal text: AAA
Greyscale equivalent#CDCDCD
Inverted#5C262E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D4D3D1no red cones; affects about 1% of men; ΔE 19.2 from the original
Deuteranopia#C9CBD2no green cones; the most common form, about 1% of men; ΔE 19.7 from the original
Tritanopia#93DBD6no blue cones; rare, and affects men and women equally; ΔE 5.4 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 text13.4:1WCAG large text: AAA

Named colours

Pale turquoise · ΔE 8.6Powder blue · ΔE 8.6Light blue · ΔE 12.7Light cyan · ΔE 17.5Light grey · ΔE 19.1Gainsboro · ΔE 19.6
Nearest named CSS colourPale turquoise (#AFEEEE)ΔE 8.57, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D9A3AB
Analogous#A3D9B6, #A3C6D9
Triadic#D1A3D9, #D9D1A3
Split complementary#D9A3C6, #D9B6A3
Tetradic#B6A3D9, #D9A3AB, #C6D9A3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#EBF7F5
Lighter +10%#C7E8E3
Darker −10%#7FCABF
Darker −20%#5BBBAD
Darker −30%#42A193
Darker −40%#337D72
More saturated +25%#93E9DC
Less saturated −25%#B3C9C6

Channel breakdown

R163
G217
B209
Red163 (63.9%)
Green217 (85.1%)
Blue209 (82%)
Hue171.11°
Saturation (HSL)41.54%
Lightness74.51%
Dominant channelGreen
Hex per channelR A3 · G D9 · B D1

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Every value on this page was computed from “a3d9d1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.