Colour

#21FFEB

#21FFEB
Cyan
Light
Nearest: Aqua

#21FFEB is a cyan with RGB values 33, 255, 235 and HSL 175°, 100%, 56%. It is a light colour, so black text on it reaches 16.6:1 contrast (AAA for normal text). The nearest named colour is Aqua.

Colour values

#21FFEB#21FFEB

HEX#21FFEB

RGBrgb(33, 255, 235)

RGB (0–1)0.1294, 1, 0.9216

RGB percentages12.9%, 100%, 92.2%

HSLhsl(174.6, 100%, 56.5%)

HSV / HSBhsv(174.6, 87.1%, 100%)

CMYK87.1%, 0%, 7.8%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,228,203

CSS custom property--colour: #21FFEB;

Brightness & contrast

Relative luminance0.77841WCAG 2.x, 0 is black and 1 is white

Perceived brightness211.6 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 16.57:1

Contrast with white1.27:1WCAG normal text: Fail

Contrast with black16.57:1WCAG normal text: AAA

Greyscale equivalent#CECECE

Inverted#DE0014

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#F2F0EAno red cones; affects about 1% of men; ΔE 53 from the original

Deuteranopia#D7DCEDno green cones; the most common form, about 1% of men; ΔE 54.4 from the original

Tritanopia#00FFF9no blue cones; rare, and affects men and women equally; ΔE 7.5 from the original

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

Contrast with white, large text1.27:1WCAG large text: Fail

Contrast with black, large text16.57:1WCAG large text: AAA

Named colours

Aqua · ΔE 10.8 Cyan · ΔE 10.8 Turquoise · ΔE 12.7 Aquamarine · ΔE 15.8 Medium turquoise · ΔE 21 Dark turquoise · ΔE 21.9

Nearest named CSS colourAqua (#00FFFF)ΔE 10.8, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FF2135

Analogous#21FF7C, #21A4FF

Triadic#EB21FF, #FFEB21

Split complementary#FF21A4, #FF7C21

Tetradic#7C21FF, #FF2135, #A4FF21

Tints, shades & saturation

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

Lighter +40%#EDFFFD

Lighter +30%#BAFFF9

Lighter +20%#87FFF4

Lighter +10%#54FFF0

Darker −10%#00EDD8

Darker −20%#00BAA9

Darker −30%#00877B

Darker −40%#00544C

More saturated +25%#21FFEB

Less saturated −25%#3DE3D4

Channel breakdown

R33

G255

B235

Red33 (12.9%)

Green255 (100%)

Blue235 (92.2%)

Hue174.59°

Saturation (HSL)100%

Lightness56.47%

Dominant channelGreen

Hex per channelR 21 · G FF · B EB

Keep nerding

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

#21FFEB

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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