Recognised as Colour

#42CAB4

#42CAB4
Cyan
Dark
Nearest: Medium aquamarine

#42CAB4 is a cyan with RGB values 66, 202, 180 and HSL 170°, 56%, 53%. It is a dark colour, so black text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#42CAB4#42CAB4

HEX#42CAB4

RGBrgb(66, 202, 180)

RGB (0–1)0.2588, 0.7922, 0.7059

RGB percentages25.9%, 79.2%, 70.6%

HSLhsl(170.3, 56.2%, 52.5%)

HSV / HSBhsv(170.3, 67.3%, 79.2%)

CMYK67.3%, 0%, 10.9%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,377,268

CSS custom property--colour: #42CAB4;

Brightness & contrast

Relative luminance0.46695WCAG 2.x, 0 is black and 1 is white

Perceived brightness170.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.34:1

Contrast with white2.03:1WCAG normal text: Fail

Contrast with black10.34:1WCAG normal text: AAA

Greyscale equivalent#ABABAB

Inverted#BD354B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#C2BEB3no red cones; affects about 1% of men; ΔE 41.5 from the original

Deuteranopia#AEB0B6no green cones; the most common form, about 1% of men; ΔE 42.2 from the original

Tritanopia#00CDC3no blue cones; rare, and affects men and women equally; ΔE 7.7 from the original

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

Contrast with white, large text2.03:1WCAG large text: Fail

Contrast with black, large text10.34:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 8.8 Turquoise · ΔE 8.9 Medium turquoise · ΔE 10 Light seagreen · ΔE 11.3 Dark turquoise · ΔE 14 Aquamarine · ΔE 20.7

Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 8.76, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#CA4258

Analogous#42CA70, #429CCA

Triadic#B442CA, #CAB442

Split complementary#CA429C, #CA7042

Tetradic#7042CA, #CA4258, #9CCA42

Tints, shades & saturation

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

Lighter +40%#E1F7F3

Lighter +30%#B9ECE3

Lighter +20%#92E0D4

Lighter +10%#6AD5C4

Darker −10%#30A996

Darker −20%#248273

Darker −30%#195A4F

Darker −40%#0E322C

More saturated +25%#24E8C8

Less saturated −25%#60ACA0

Channel breakdown

R66

G202

B180

Red66 (25.9%)

Green202 (79.2%)

Blue180 (70.6%)

Hue170.29°

Saturation (HSL)56.2%

Lightness52.55%

Dominant channelGreen

Hex per channelR 42 · G CA · B B4

Keep nerding

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

#42CAB4

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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