Colour

#57FFF9

#57FFF9
Cyan
Light
Nearest: Aqua

#57FFF9 is a cyan with RGB values 87, 255, 249 and HSL 178°, 100%, 67%. It is a light colour, so black text on it reaches 17.1:1 contrast (AAA for normal text). The nearest named colour is Aqua.

Colour values

#57FFF9#57FFF9

HEX#57FFF9

RGBrgb(87, 255, 249)

RGB (0–1)0.3412, 1, 0.9765

RGB percentages34.1%, 100%, 97.6%

HSLhsl(177.9, 100%, 67.1%)

HSV / HSBhsv(177.9, 65.9%, 100%)

CMYK65.9%, 0%, 2.4%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,767,161

CSS custom property--colour: #57FFF9;

Brightness & contrast

Relative luminance0.80386WCAG 2.x, 0 is black and 1 is white

Perceived brightness217.9 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 17.08:1

Contrast with white1.23:1WCAG normal text: Fail

Contrast with black17.08:1WCAG normal text: AAA

Greyscale equivalent#DBDBDB

Inverted#A80006

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#F0F2F9no red cones; affects about 1% of men; ΔE 45 from the original

Deuteranopia#D7E0FAno green cones; the most common form, about 1% of men; ΔE 46.1 from the original

Tritanopia#00FFFDno blue cones; rare, and affects men and women equally; ΔE 6 from the original

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

Contrast with white, large text1.23:1WCAG large text: Fail

Contrast with black, large text17.08:1WCAG large text: AAA

Named colours

Aqua · ΔE 6.1 Cyan · ΔE 6.1 Turquoise · ΔE 12.1 Medium turquoise · ΔE 16.4 Dark turquoise · ΔE 17.4 Aquamarine · ΔE 19.6

Nearest named CSS colourAqua (#00FFFF)ΔE 6.14, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FF575D

Analogous#57FFA5, #57B1FF

Triadic#F957FF, #FFF957

Split complementary#FF57B1, #FFA557

Tetradic#A557FF, #FF575D, #B1FF57

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#F0FFFE

Lighter +20%#BDFFFD

Lighter +10%#8AFFFB

Darker −10%#24FFF7

Darker −20%#00F0E7

Darker −30%#00BDB6

Darker −40%#008A85

More saturated +25%#57FFF9

Less saturated −25%#6CEAE6

Channel breakdown

R87

G255

B249

Red87 (34.1%)

Green255 (100%)

Blue249 (97.6%)

Hue177.86°

Saturation (HSL)100%

Lightness67.06%

Dominant channelGreen

Hex per channelR 57 · G FF · B F9

Keep nerding

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

#57FFF9

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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