Recognised as Colour

#42DABF

#42DABF
Cyan
Light
Nearest: Turquoise

#42DABF is a cyan with RGB values 66, 218, 191 and HSL 169°, 67%, 56%. It is a light colour, so black text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#42DABF#42DABF

HEX#42DABF

RGBrgb(66, 218, 191)

RGB (0–1)0.2588, 0.8549, 0.749

RGB percentages25.9%, 85.5%, 74.9%

HSLhsl(169.3, 67.3%, 55.7%)

HSV / HSBhsv(169.3, 69.7%, 85.5%)

CMYK69.7%, 0%, 12.4%, 14.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,381,375

CSS custom property--colour: #42DABF;

Brightness & contrast

Relative luminance0.55063WCAG 2.x, 0 is black and 1 is white

Perceived brightness182.6 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 12.01:1

Contrast with white1.75:1WCAG normal text: Fail

Contrast with black12.01:1WCAG normal text: AAA

Greyscale equivalent#B8B8B8

Inverted#BD2540

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#D1CDBEno red cones; affects about 1% of men; ΔE 45 from the original

Deuteranopia#BCBDC1no green cones; the most common form, about 1% of men; ΔE 46.3 from the original

Tritanopia#00DDD2no blue cones; rare, and affects men and women equally; ΔE 9.2 from the original

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

Contrast with white, large text1.75:1WCAG large text: Fail

Contrast with black, large text12.01:1WCAG large text: AAA

Named colours

Turquoise · ΔE 6.4 Medium aquamarine · ΔE 10.3 Medium turquoise · ΔE 13.3 Aquamarine · ΔE 15.2 Dark turquoise · ΔE 16.8 Light seagreen · ΔE 17.6

Nearest named CSS colourTurquoise (#40E0D0)ΔE 6.44, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DA425D

Analogous#42DA73, #42A9DA

Triadic#BF42DA, #DABF42

Split complementary#DA42A9, #DA7342

Tetradic#7342DA, #DA425D, #A9DA42

Tints, shades & saturation

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

Lighter +40%#EDFBF9

Lighter +30%#C2F3EA

Lighter +20%#97EBDC

Lighter +10%#6DE2CD

Darker −10%#26C3A7

Darker −20%#1E9882

Darker −30%#156E5E

Darker −40%#0D4339

More saturated +25%#26F6D1

Less saturated −25%#5EBEAD

Channel breakdown

R66

G218

B191

Red66 (25.9%)

Green218 (85.5%)

Blue191 (74.9%)

Hue169.34°

Saturation (HSL)67.26%

Lightness55.69%

Dominant channelGreen

Hex per channelR 42 · G DA · B BF

Keep nerding

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

#42DABF

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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