Colour

#66BFBB

#66BFBB
Cyan
Dark
Nearest: Medium turquoise

#66BFBB is a cyan with RGB values 102, 191, 187 and HSL 177°, 41%, 57%. It is a dark colour, so black text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Medium turquoise.

Colour values

#66BFBB#66BFBB

HEX#66BFBB

RGBrgb(102, 191, 187)

RGB (0–1)0.4, 0.749, 0.7333

RGB percentages40%, 74.9%, 73.3%

HSLhsl(177.3, 41%, 57.5%)

HSV / HSBhsv(177.3, 46.6%, 74.9%)

CMYK46.6%, 0%, 2.1%, 25.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,733,755

CSS custom property--colour: #66BFBB;

Brightness & contrast

Relative luminance0.43674WCAG 2.x, 0 is black and 1 is white

Perceived brightness168.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 9.73:1

Contrast with white2.16:1WCAG normal text: Fail

Contrast with black9.73:1WCAG normal text: AAA

Greyscale equivalent#ACACAC

Inverted#994044

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#B6B7BBno red cones; affects about 1% of men; ΔE 28.5 from the original

Deuteranopia#A7ACBCno green cones; the most common form, about 1% of men; ΔE 29.3 from the original

Tritanopia#37C3BDno blue cones; rare, and affects men and women equally; ΔE 9.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.16:1WCAG large text: Fail

Contrast with black, large text9.73:1WCAG large text: AAA

Named colours

Medium turquoise · ΔE 11.1 Light seagreen · ΔE 11.7 Cadetblue · ΔE 13.5 Dark turquoise · ΔE 14.7 Medium aquamarine · ΔE 18.4 Turquoise · ΔE 19

Nearest named CSS colourMedium turquoise (#48D1CC)ΔE 11.06, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BF666A

Analogous#66BF8E, #6697BF

Triadic#BB66BF, #BFBB66

Split complementary#BF6697, #BF8E66

Tetradic#8E66BF, #BF666A, #97BF66

Tints, shades & saturation

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

Lighter +40%#F6FBFB

Lighter +30%#D2ECEB

Lighter +20%#AEDDDB

Lighter +10%#8ACECB

Darker −10%#47ABA6

Darker −20%#388783

Darker −30%#296360

Darker −40%#1A3F3D

More saturated +25%#4BDAD4

Less saturated −25%#81A4A2

Channel breakdown

R102

G191

B187

Red102 (40%)

Green191 (74.9%)

Blue187 (73.3%)

Hue177.3°

Saturation (HSL)41.01%

Lightness57.45%

Dominant channelGreen

Hex per channelR 66 · G BF · B BB

Keep nerding

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

#66BFBB

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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