Recognised as Colour

#42BCAB

#42BCAB
Cyan
Dark
Nearest: Light seagreen

#42BCAB is a cyan with RGB values 66, 188, 171 and HSL 172°, 48%, 50%. It is a dark colour, so black text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#42BCAB#42BCAB

HEX#42BCAB

RGBrgb(66, 188, 171)

RGB (0–1)0.2588, 0.7373, 0.6706

RGB percentages25.9%, 73.7%, 67.1%

HSLhsl(171.6, 48%, 49.8%)

HSV / HSBhsv(171.6, 64.9%, 73.7%)

CMYK64.9%, 0%, 9%, 26.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,373,675

CSS custom property--colour: #42BCAB;

Brightness & contrast

Relative luminance0.40065WCAG 2.x, 0 is black and 1 is white

Perceived brightness159.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 9.01:1

Contrast with white2.33:1WCAG normal text: Fail

Contrast with black9.01:1WCAG normal text: AAA

Greyscale equivalent#A1A1A1

Inverted#BD4354

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#B4B1AAno red cones; affects about 1% of men; ΔE 37.8 from the original

Deuteranopia#A2A4ADno green cones; the most common form, about 1% of men; ΔE 38.9 from the original

Tritanopia#00BFB7no blue cones; rare, and affects men and women equally; ΔE 7 from the original

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

Contrast with white, large text2.33:1WCAG large text: Fail

Contrast with black, large text9.01:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 6.2 Medium turquoise · ΔE 10.2 Medium aquamarine · ΔE 11.5 Turquoise · ΔE 13.7 Dark turquoise · ΔE 13.7 Dark cyan · ΔE 20.2

Nearest named CSS colourLight seagreen (#20B2AA)ΔE 6.25, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BC4253

Analogous#42BC6E, #4290BC

Triadic#AB42BC, #BCAB42

Split complementary#BC4290, #BC6E42

Tetradic#6E42BC, #BC4253, #90BC42

Tints, shades & saturation

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

Lighter +40%#D9F1EE

Lighter +30%#B3E4DD

Lighter +20%#8DD7CD

Lighter +10%#67CABC

Darker −10%#359689

Darker −20%#277166

Darker −30%#1A4B44

Darker −40%#0D2522

More saturated +25%#22DCC2

Less saturated −25%#629C94

Channel breakdown

R66

G188

B171

Red66 (25.9%)

Green188 (73.7%)

Blue171 (67.1%)

Hue171.64°

Saturation (HSL)48.03%

Lightness49.8%

Dominant channelGreen

Hex per channelR 42 · G BC · B AB

Keep nerding

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

#42BCAB

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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