Colour

#40FFF8

#40FFF8
Cyan
Light
Nearest: Aqua

#40FFF8 is a cyan with RGB values 64, 255, 248 and HSL 178°, 100%, 63%. It is a light colour, so black text on it reaches 16.9:1 contrast (AAA for normal text). The nearest named colour is Aqua.

Colour values

#40FFF8#40FFF8

HEX#40FFF8

RGBrgb(64, 255, 248)

RGB (0–1)0.251, 1, 0.9725

RGB percentages25.1%, 100%, 97.3%

HSLhsl(177.8, 100%, 62.5%)

HSV / HSBhsv(177.8, 74.9%, 100%)

CMYK74.9%, 0%, 2.7%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,259,832

CSS custom property--colour: #40FFF8;

Brightness & contrast

Relative luminance0.79387WCAG 2.x, 0 is black and 1 is white

Perceived brightness215.4 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 16.88:1

Contrast with white1.24:1WCAG normal text: Fail

Contrast with black16.88:1WCAG normal text: AAA

Greyscale equivalent#D6D6D6

Inverted#BF0007

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#F0F2F8no red cones; affects about 1% of men; ΔE 47.9 from the original

Deuteranopia#D5DEFAno green cones; the most common form, about 1% of men; ΔE 49.6 from the original

Tritanopia#00FFFCno blue cones; rare, and affects men and women equally; ΔE 3.5 from the original

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

Contrast with white, large text1.24:1WCAG large text: Fail

Contrast with black, large text16.88:1WCAG large text: AAA

Named colours

Aqua · ΔE 4.3 Cyan · ΔE 4.3 Turquoise · ΔE 12.1 Medium turquoise · ΔE 17.4 Dark turquoise · ΔE 17.8 Aquamarine · ΔE 19.8

Nearest named CSS colourAqua (#00FFFF)ΔE 4.33, a close match

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FF4047

Analogous#40FF99, #40A6FF

Triadic#F840FF, #FFF840

Split complementary#FF40A7, #FF9840

Tetradic#9840FF, #FF4047, #A7FF40

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#D9FFFE

Lighter +20%#A6FFFC

Lighter +10%#73FFFA

Darker −10%#0DFFF6

Darker −20%#00D9D1

Darker −30%#00A6A0

Darker −40%#00736F

More saturated +25%#40FFF8

Less saturated −25%#58E7E2

Channel breakdown

R64

G255

B248

Red64 (25.1%)

Green255 (100%)

Blue248 (97.3%)

Hue177.8°

Saturation (HSL)100%

Lightness62.55%

Dominant channelGreen

Hex per channelR 40 · G FF · B F8

Keep nerding

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#40FFF8

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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