Recognised as Colour

#51FAFF

#51FAFF
Cyan
Light
Nearest: Aqua

#51FAFF is a cyan with RGB values 81, 250, 255 and HSL 182°, 100%, 66%. It is a light colour, so black text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Aqua.

Colour values

#51FAFF#51FAFF

HEX#51FAFF

RGBrgb(81, 250, 255)

RGB (0–1)0.3176, 0.9804, 1

RGB percentages31.8%, 98%, 100%

HSLhsl(181.7, 100%, 65.9%)

HSV / HSBhsv(181.7, 68.2%, 100%)

CMYK68.2%, 2%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,372,671

CSS custom property--colour: #51FAFF;

Brightness & contrast

Relative luminance0.77341WCAG 2.x, 0 is black and 1 is white

Perceived brightness214.6 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 16.47:1

Contrast with white1.28:1WCAG normal text: Fail

Contrast with black16.47:1WCAG normal text: AAA

Greyscale equivalent#D6D6D6

Inverted#AE0500

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#E9EFFFno red cones; affects about 1% of men; ΔE 42.4 from the original

Deuteranopia#CFDCFFno green cones; the most common form, about 1% of men; ΔE 43.7 from the original

Tritanopia#00FFFBno blue cones; rare, and affects men and women equally; ΔE 9 from the original

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

Contrast with white, large text1.28:1WCAG large text: Fail

Contrast with black, large text16.47:1WCAG large text: AAA

Named colours

Aqua · ΔE 7.4 Cyan · ΔE 7.4 Turquoise · ΔE 14.7 Dark turquoise · ΔE 15.3 Medium turquoise · ΔE 15.5 Pale turquoise · ΔE 22.8

Nearest named CSS colourAqua (#00FFFF)ΔE 7.44, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FF5651

Analogous#51FFAD, #51A3FF

Triadic#FF51FA, #FAFF51

Split complementary#FF51A3, #FFAD51

Tetradic#AD51FF, #FF5651, #A3FF51

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#EAFEFF

Lighter +20%#B7FDFF

Lighter +10%#84FBFF

Darker −10%#1EF9FF

Darker −20%#00E3EA

Darker −30%#00B2B7

Darker −40%#008084

More saturated +25%#51FAFF

Less saturated −25%#67E6E9

Channel breakdown

R81

G250

B255

Red81 (31.8%)

Green250 (98%)

Blue255 (100%)

Hue181.72°

Saturation (HSL)100%

Lightness65.88%

Dominant channelBlue

Hex per channelR 51 · G FA · B FF

Keep nerding

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

#51FAFF

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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