Recognised as Colour

#28FEFF

#28FEFF
Cyan
Light
Nearest: Aqua

#28FEFF is a cyan with RGB values 40, 254, 255 and HSL 180°, 100%, 58%. It is a light colour, so black text on it reaches 16.7:1 contrast (AAA for normal text). The nearest named colour is Aqua.

Colour values

#28FEFF#28FEFF

HEX#28FEFF

RGBrgb(40, 254, 255)

RGB (0–1)0.1569, 0.9961, 1

RGB percentages15.7%, 99.6%, 100%

HSLhsl(180.3, 100%, 57.8%)

HSV / HSBhsv(180.3, 84.3%, 100%)

CMYK84.3%, 0.4%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,686,719

CSS custom property--colour: #28FEFF;

Brightness & contrast

Relative luminance0.78555WCAG 2.x, 0 is black and 1 is white

Perceived brightness213.9 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 16.71:1

Contrast with white1.26:1WCAG normal text: Fail

Contrast with black16.71:1WCAG normal text: AAA

Greyscale equivalent#D1D1D1

Inverted#D70100

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#ECF1FFno red cones; affects about 1% of men; ΔE 47.9 from the original

Deuteranopia#D0DDFFno green cones; the most common form, about 1% of men; ΔE 49 from the original

Tritanopia#00FFFEno blue cones; rare, and affects men and women equally; ΔE 2.2 from the original

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

Contrast with white, large text1.26:1WCAG large text: Fail

Contrast with black, large text16.71:1WCAG large text: AAA

Named colours

Aqua · ΔE 1.8 Cyan · ΔE 1.8 Turquoise · ΔE 14.3 Dark turquoise · ΔE 17 Medium turquoise · ΔE 17.7 Aquamarine · ΔE 24

Nearest named CSS colourAqua (#00FFFF)ΔE 1.79, below the just-noticeable difference

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FF2928

Analogous#28FF95, #2893FF

Triadic#FF28FE, #FEFF28

Split complementary#FF2893, #FF9428

Tetradic#9428FF, #FF2928, #93FF28

Tints, shades & saturation

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

Lighter +40%#F4FFFF

Lighter +30%#C1FFFF

Lighter +20%#8EFEFF

Lighter +10%#5BFEFF

Darker −10%#00F3F4

Darker −20%#00C0C1

Darker −30%#008D8E

Darker −40%#005B5B

More saturated +25%#28FEFF

Less saturated −25%#43E3E4

Channel breakdown

R40

G254

B255

Red40 (15.7%)

Green254 (99.6%)

Blue255 (100%)

Hue180.28°

Saturation (HSL)100%

Lightness57.84%

Dominant channelBlue

Hex per channelR 28 · G FE · B FF

Keep nerding

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

#28FEFF

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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