Colour

#40BFBF

#40BFBF
Cyan
Dark
Nearest: Medium turquoise

#40BFBF is a cyan with RGB values 64, 191, 191 and HSL 180°, 50%, 50%. It is a dark colour, so black text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Medium turquoise.

Colour values

#40BFBF#40BFBF

HEX#40BFBF

RGBrgb(64, 191, 191)

RGB (0–1)0.251, 0.749, 0.749

RGB percentages25.1%, 74.9%, 74.9%

HSLhsl(180, 49.8%, 50%)

HSV / HSBhsv(180, 66.5%, 74.9%)

CMYK66.5%, 0%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,243,391

CSS custom property--colour: #40BFBF;

Brightness & contrast

Relative luminance0.42113WCAG 2.x, 0 is black and 1 is white

Perceived brightness163.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 9.42:1

Contrast with white2.23:1WCAG normal text: Fail

Contrast with black9.42:1WCAG normal text: AAA

Greyscale equivalent#A4A4A4

Inverted#BF4040

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#B3B6BFno red cones; affects about 1% of men; ΔE 35 from the original

Deuteranopia#9FA8C0no green cones; the most common form, about 1% of men; ΔE 35.9 from the original

Tritanopia#00C5BFno blue cones; rare, and affects men and women equally; ΔE 7.8 from the original

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

Contrast with white, large text2.23:1WCAG large text: Fail

Contrast with black, large text9.42:1WCAG large text: AAA

Named colours

Medium turquoise · ΔE 7.2 Light seagreen · ΔE 7.4 Dark turquoise · ΔE 8.3 Turquoise · ΔE 15.8 Cadetblue · ΔE 17.4 Dark cyan · ΔE 19

Nearest named CSS colourMedium turquoise (#48D1CC)ΔE 7.16, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BF4040

Analogous#40BF80, #4080BF

Triadic#BF40BF, #BFBF40

Split complementary#BF4080, #BF8040

Tetradic#8040BF, #BF4040, #80BF40

Tints, shades & saturation

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

Lighter +40%#D9F2F2

Lighter +30%#B3E5E5

Lighter +20%#8CD9D9

Lighter +10%#66CCCC

Darker −10%#339999

Darker −20%#267373

Darker −30%#1A4C4C

Darker −40%#0D2626

More saturated +25%#20DFDF

Less saturated −25%#609F9F

Channel breakdown

R64

G191

B191

Red64 (25.1%)

Green191 (74.9%)

Blue191 (74.9%)

Hue180°

Saturation (HSL)49.8%

Lightness50%

Dominant channelGreen and Blue

Hex per channelR 40 · G BF · B BF

Keep nerding

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

#40BFBF

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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