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Colour

#40BFC0

  • #40BFC0
  • Cyan
  • Dark
  • Nearest: Medium turquoise

#40BFC0 is a cyan with RGB values 64, 191, 192 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

#40BFC0#40BFC0
HEX#40BFC0
RGBrgb(64, 191, 192)
RGB (0–1)0.251, 0.749, 0.7529
RGB percentages25.1%, 74.9%, 75.3%
HSLhsl(180.5, 50.4%, 50.2%)
HSV / HSBhsv(180.5, 66.7%, 75.3%)
CMYK66.7%, 0.5%, 0%, 24.7%naive device-independent conversion; real print needs an ICC profile
24-bit integer4,243,392
CSS custom property--colour: #40BFC0;

Brightness & contrast

Relative luminance0.42157WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.43:1
Contrast with white2.23:1WCAG normal text: Fail
Contrast with black9.43:1WCAG normal text: AAA
Greyscale equivalent#A4A4A4
Inverted#BF403F

Colour vision & accessibility

Protanopia#B3B6C0no red cones; affects about 1% of men; ΔE 34.9 from the original
Deuteranopia#9FA8C1no green cones; the most common form, about 1% of men; ΔE 35.8 from the original
Tritanopia#00C5BFno blue cones; rare, and affects men and women equally; ΔE 8.2 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 text9.43:1WCAG large text: AAA

Named colours

Nearest named CSS colourMedium turquoise (#48D1CC)ΔE 7.42, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#C04140
Analogous#40C081, #407FC0
Triadic#C040BF, #BFC040
Split complementary#C0407F, #C08140
Tetradic#8140C0, #C04140, #7FC040

Tints, shades & saturation

Lighter +40%#D9F2F3
Lighter +30%#B3E6E6
Lighter +20%#8DD9D9
Lighter +10%#66CCCD
Darker −10%#33999A
Darker −20%#267374
Darker −30%#1A4D4D
Darker −40%#0D2727
More saturated +25%#20DEE0
Less saturated −25%#60A0A0

Channel breakdown

R64
G191
B192
Red64 (25.1%)
Green191 (74.9%)
Blue192 (75.3%)
Hue180.47°
Saturation (HSL)50.39%
Lightness50.2%
Dominant channelBlue
Hex per channelR 40 · G BF · B C0

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Every value on this page was computed from “40bfc0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.