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Recognised as Colour

#4AC2DA

  • #4AC2DA
  • Cyan
  • Dark
  • Nearest: Sky blue

#4AC2DA is a cyan with RGB values 74, 194, 218 and HSL 190°, 66%, 57%. It is a dark colour, so black text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#4AC2DA#4AC2DA
HEX#4AC2DA
RGBrgb(74, 194, 218)
RGB (0–1)0.2902, 0.7608, 0.8549
RGB percentages29%, 76.1%, 85.5%
HSLhsl(190, 66.1%, 57.3%)
HSV / HSBhsv(190, 66.1%, 85.5%)
CMYK66.1%, 11%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,899,546
CSS custom property--colour: #4AC2DA;

Brightness & contrast

Relative luminance0.45101WCAG 2.x, 0 is black and 1 is white
Perceived brightness170.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.02:1
Contrast with white2.1:1WCAG normal text: Fail
Contrast with black10.02:1WCAG normal text: AAA
Greyscale equivalent#AAAAAA
Inverted#B53D25

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B0BCDBno red cones; affects about 1% of men; ΔE 28.8 from the original
Deuteranopia#9BADDAno green cones; the most common form, about 1% of men; ΔE 30 from the original
Tritanopia#00CBC9no blue cones; rare, and affects men and women equally; ΔE 18.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.1:1WCAG large text: Fail
Contrast with black, large text10.02:1WCAG large text: AAA

Named colours

Sky blue · ΔE 12.7Dark turquoise · ΔE 16.6Light skyblue · ΔE 17.8Medium turquoise · ΔE 18.1Cadetblue · ΔE 19.6Light seagreen · ΔE 20.7
Nearest named CSS colourSky blue (#87CEEB)ΔE 12.67, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DA624A
Analogous#4ADAAA, #4A7ADA
Triadic#DA4AC2, #C2DA4A
Split complementary#DA4A7A, #DAAA4A
Tetradic#AA4ADA, #DA624A, #7ADA4A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F3FBFD
Lighter +30%#C9EDF4
Lighter +20%#9FDFEB
Lighter +10%#74D0E3
Darker −10%#29AEC8
Darker −20%#20899E
Darker −30%#186473
Darker −40%#0F3F49
More saturated +25%#2FD4F5
Less saturated −25%#65B0BF

Channel breakdown

R74
G194
B218
Red74 (29%)
Green194 (76.1%)
Blue218 (85.5%)
Hue190°
Saturation (HSL)66.06%
Lightness57.25%
Dominant channelBlue
Hex per channelR 4A · G C2 · B DA

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Every value on this page was computed from “4ac2da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.