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Recognised as Colour

#4AC8DB

  • #4AC8DB
  • Cyan
  • Dark
  • Nearest: Dark turquoise

#4AC8DB is a cyan with RGB values 74, 200, 219 and HSL 188°, 67%, 57%. It is a dark colour, so black text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#4AC8DB#4AC8DB
HEX#4AC8DB
RGBrgb(74, 200, 219)
RGB (0–1)0.2902, 0.7843, 0.8588
RGB percentages29%, 78.4%, 85.9%
HSLhsl(187.9, 66.8%, 57.5%)
HSV / HSBhsv(187.9, 66.2%, 85.9%)
CMYK66.2%, 8.7%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,901,083
CSS custom property--colour: #4AC8DB;

Brightness & contrast

Relative luminance0.47879WCAG 2.x, 0 is black and 1 is white
Perceived brightness174.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.58:1
Contrast with white1.99:1WCAG normal text: Fail
Contrast with black10.58:1WCAG normal text: AAA
Greyscale equivalent#AFAFAF
Inverted#B53724

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B7C1DCno red cones; affects about 1% of men; ΔE 31.2 from the original
Deuteranopia#A2B1DBno green cones; the most common form, about 1% of men; ΔE 32.8 from the original
Tritanopia#00D1CEno blue cones; rare, and affects men and women equally; ΔE 16.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.99:1WCAG large text: Fail
Contrast with black, large text10.58:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 13.1Sky blue · ΔE 14.5Medium turquoise · ΔE 14.5Light seagreen · ΔE 18.4Cadetblue · ΔE 20.3Light skyblue · ΔE 20.4
Nearest named CSS colourDark turquoise (#00CED1)ΔE 13.07, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DB5D4A
Analogous#4ADBA5, #4A80DB
Triadic#DB4AC8, #C8DB4A
Split complementary#DB4A80, #DBA54A
Tetradic#A54ADB, #DB5D4A, #80DB4A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F4FCFD
Lighter +30%#CAEFF4
Lighter +20%#9FE2EC
Lighter +10%#75D5E3
Darker −10%#28B5CA
Darker −20%#208F9F
Darker −30%#176975
Darker −40%#0F424A
More saturated +25%#2FDCF6
Less saturated −25%#65B4C0

Channel breakdown

R74
G200
B219
Red74 (29%)
Green200 (78.4%)
Blue219 (85.9%)
Hue187.86°
Saturation (HSL)66.82%
Lightness57.45%
Dominant channelBlue
Hex per channelR 4A · G C8 · B DB

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Every value on this page was computed from “4ac8db” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.