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Recognised as Colour

#04DDDF

  • #04DDDF
  • Cyan
  • Light
  • Nearest: Dark turquoise

#04DDDF is a cyan with RGB values 4, 221, 223 and HSL 181°, 96%, 45%. It is a light colour, so black text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#04DDDF#04DDDF
HEX#04DDDF
RGBrgb(4, 221, 223)
RGB (0–1)0.0157, 0.8667, 0.8745
RGB percentages1.6%, 86.7%, 87.5%
HSLhsl(180.5, 96.5%, 44.5%)
HSV / HSBhsv(180.5, 98.2%, 87.5%)
CMYK98.2%, 0.9%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer318,943
CSS custom property--colour: #04DDDF;

Brightness & contrast

Relative luminance0.57066WCAG 2.x, 0 is black and 1 is white
Perceived brightness185.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.41:1
Contrast with white1.69:1WCAG normal text: Fail
Contrast with black12.41:1WCAG normal text: AAA
Greyscale equivalent#AFAFAF
Inverted#FB2220

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CDD2DFno red cones; affects about 1% of men; ΔE 43.9 from the original
Deuteranopia#B4BFE0no green cones; the most common form, about 1% of men; ΔE 45.8 from the original
Tritanopia#00E5DDno blue cones; rare, and affects men and women equally; ΔE 6.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.69:1WCAG large text: Fail
Contrast with black, large text12.41:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 5.5Medium turquoise · ΔE 8.1Turquoise · ΔE 9.8Aqua · ΔE 12.3Cyan · ΔE 12.3Light seagreen · ΔE 16.9
Nearest named CSS colourDark turquoise (#00CED1)ΔE 5.49, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF0604
Analogous#04DF73, #0470DF
Triadic#DF04DD, #DDDF04
Split complementary#DF0470, #DF7304
Tetradic#7304DF, #DF0604, #70DF04

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B1FDFE
Lighter +30%#7FFCFD
Lighter +20%#4DFAFC
Lighter +10%#1BF9FB
Darker −10%#03ABAD
Darker −20%#027A7B
Darker −30%#014849
Darker −40%#001617
More saturated +25%#00E1E3
Less saturated −25%#20C1C3

Channel breakdown

R4
G221
B223
Red4 (1.6%)
Green221 (86.7%)
Blue223 (87.5%)
Hue180.55°
Saturation (HSL)96.48%
Lightness44.51%
Dominant channelBlue
Hex per channelR 04 · G DD · B DF

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Every value on this page was computed from “04dddf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.