Recognised as Colour

#42FEE4

#42FEE4
Cyan
Light
Nearest: Aquamarine

#42FEE4 is a cyan with RGB values 66, 254, 228 and HSL 172°, 99%, 63%. It is a light colour, so black text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Aquamarine.

Colour values

#42FEE4#42FEE4

HEX#42FEE4

RGBrgb(66, 254, 228)

RGB (0–1)0.2588, 0.9961, 0.8941

RGB percentages25.9%, 99.6%, 89.4%

HSLhsl(171.7, 98.9%, 62.7%)

HSV / HSBhsv(171.7, 74%, 99.6%)

CMYK74%, 0%, 10.2%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,390,628

CSS custom property--colour: #42FEE4;

Brightness & contrast

Relative luminance0.77643WCAG 2.x, 0 is black and 1 is white

Perceived brightness212.4 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 16.53:1

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

Contrast with black16.53:1WCAG normal text: AAA

Greyscale equivalent#D4D4D4

Inverted#BD011B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#F3EFE3no red cones; affects about 1% of men; ΔE 51.4 from the original

Deuteranopia#D9DCE6no green cones; the most common form, about 1% of men; ΔE 52.5 from the original

Tritanopia#00FFF6no blue cones; rare, and affects men and women equally; ΔE 9.1 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 text16.53:1WCAG large text: AAA

Named colours

Aquamarine · ΔE 12.1 Turquoise · ΔE 12.3 Aqua · ΔE 13.8 Cyan · ΔE 13.8 Medium turquoise · ΔE 21.1 Medium aquamarine · ΔE 21.8

Nearest named CSS colourAquamarine (#7FFFD4)ΔE 12.15, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FE425C

Analogous#42FE86, #42BAFE

Triadic#E442FE, #FEE442

Split complementary#FE42BA, #FE8642

Tetradic#8642FE, #FE425C, #BAFE42

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#DAFFFA

Lighter +20%#A7FFF2

Lighter +10%#75FEEB

Darker −10%#0FFEDD

Darker −20%#01D9BB

Darker −30%#01A68F

Darker −40%#017364

More saturated +25%#41FFE5

Less saturated −25%#5AE6D3

Channel breakdown

R66

G254

B228

Red66 (25.9%)

Green254 (99.6%)

Blue228 (89.4%)

Hue171.7°

Saturation (HSL)98.95%

Lightness62.75%

Dominant channelGreen

Hex per channelR 42 · G FE · B E4

Keep nerding

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

#42FEE4

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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