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Colour

#A4F1F9

  • #A4F1F9
  • Cyan
  • Light
  • Nearest: Pale turquoise

#A4F1F9 is a cyan with RGB values 164, 241, 249 and HSL 186°, 88%, 81%. It is a light colour, so black text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Pale turquoise.

Colour values

#A4F1F9#A4F1F9
HEX#A4F1F9
RGBrgb(164, 241, 249)
RGB (0–1)0.6431, 0.9451, 0.9765
RGB percentages64.3%, 94.5%, 97.6%
HSLhsl(185.6, 87.6%, 81%)
HSV / HSBhsv(185.6, 34.1%, 97.6%)
CMYK34.1%, 3.2%, 0%, 2.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,809,849
CSS custom property--colour: #A4F1F9;

Brightness & contrast

Relative luminance0.77643WCAG 2.x, 0 is black and 1 is white
Perceived brightness221.8 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.53:1
Contrast with white1.27:1WCAG normal text: Fail
Contrast with black16.53:1WCAG normal text: AAA
Greyscale equivalent#E1E1E1
Inverted#5B0E06

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E6EBFAno red cones; affects about 1% of men; ΔE 23.2 from the original
Deuteranopia#D7DFF9no green cones; the most common form, about 1% of men; ΔE 24.2 from the original
Tritanopia#84F7F3no blue cones; rare, and affects men and women equally; ΔE 12.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.27:1WCAG large text: Fail
Contrast with black, large text16.53:1WCAG large text: AAA

Named colours

Pale turquoise · ΔE 5.4Powder blue · ΔE 9.4Light blue · ΔE 12.7Light cyan · ΔE 15.9Sky blue · ΔE 16.6Azure · ΔE 21.1
Nearest named CSS colourPale turquoise (#AFEEEE)ΔE 5.39, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F9ACA4
Analogous#A4F9D6, #A4C7F9
Triadic#F9A4F1, #F1F9A4
Split complementary#F9A4C7, #F9D6A4
Tetradic#D6A4F9, #F9ACA4, #C7F9A4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#D4F8FC
Darker −10%#74EAF6
Darker −20%#44E2F3
Darker −30%#14DBF0
Darker −40%#0DB3C4
More saturated +25%#9EF6FF
Less saturated −25%#B0E7ED

Channel breakdown

R164
G241
B249
Red164 (64.3%)
Green241 (94.5%)
Blue249 (97.6%)
Hue185.65°
Saturation (HSL)87.63%
Lightness80.98%
Dominant channelBlue
Hex per channelR A4 · G F1 · B F9

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Every value on this page was computed from “a4f1f9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.