Colour

#04DFFF

#04DFFF
Cyan
Light
Nearest: Dark turquoise

#04DFFF is a cyan with RGB values 4, 223, 255 and HSL 188°, 100%, 51%. It is a light colour, so black text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#04DFFF#04DFFF

HEX#04DFFF

RGBrgb(4, 223, 255)

RGB (0–1)0.0157, 0.8745, 1

RGB percentages1.6%, 87.5%, 100%

HSLhsl(187.6, 100%, 50.8%)

HSV / HSBhsv(187.6, 98.4%, 100%)

CMYK98.4%, 12.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer319,487

CSS custom property--colour: #04DFFF;

Brightness & contrast

Relative luminance0.60021WCAG 2.x, 0 is black and 1 is white

Perceived brightness191.3 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 13:1

Contrast with white1.61:1WCAG normal text: Fail

Contrast with black13:1WCAG normal text: AAA

Greyscale equivalent#B3B3B3

Inverted#FB2000

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#C7D7FFno red cones; affects about 1% of men; ΔE 37.4 from the original

Deuteranopia#ABC3FFno green cones; the most common form, about 1% of men; ΔE 39.5 from the original

Tritanopia#00EBE9no blue cones; rare, and affects men and women equally; ΔE 20.2 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text1.61:1WCAG large text: Fail

Contrast with black, large text13:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 17.3 Sky blue · ΔE 20.1 Medium turquoise · ΔE 20.8 Aqua · ΔE 22.2 Cyan · ΔE 22.2 Light skyblue · ΔE 22.8

Nearest named CSS colourDark turquoise (#00CED1)ΔE 17.3, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#FF2404

Analogous#04FFA1, #0462FF

Triadic#FF04DF, #DFFF04

Split complementary#FF0462, #FFA104

Tetradic#A104FF, #FF2404, #62FF04

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#D0F9FF

Lighter +30%#9DF3FF

Lighter +20%#6AECFF

Lighter +10%#37E6FF

Darker −10%#00B5D0

Darker −20%#00899D

Darker −30%#005C6A

Darker −40%#003037

More saturated +25%#04DFFF

Less saturated −25%#23C8E0

Channel breakdown

G223

B255

Red4 (1.6%)

Green223 (87.5%)

Blue255 (100%)

Hue187.65°

Saturation (HSL)100%

Lightness50.78%

Dominant channelBlue

Hex per channelR 04 · G DF · B FF

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#04DFFF

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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