Colour

#40BCBE

#40BCBE
Cyan
Dark
Nearest: Light seagreen

#40BCBE is a cyan with RGB values 64, 188, 190 and HSL 181°, 50%, 50%. It is a dark colour, so black text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#40BCBE#40BCBE

HEX#40BCBE

RGBrgb(64, 188, 190)

RGB (0–1)0.251, 0.7373, 0.7451

RGB percentages25.1%, 73.7%, 74.5%

HSLhsl(181, 49.6%, 49.8%)

HSV / HSBhsv(181, 66.3%, 74.5%)

CMYK66.3%, 1.1%, 0%, 25.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,242,622

CSS custom property--colour: #40BCBE;

Brightness & contrast

Relative luminance0.40774WCAG 2.x, 0 is black and 1 is white

Perceived brightness161.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 9.15:1

Contrast with white2.29:1WCAG normal text: Fail

Contrast with black9.15:1WCAG normal text: AAA

Greyscale equivalent#A2A2A2

Inverted#BF4341

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#B0B3BEno red cones; affects about 1% of men; ΔE 34.3 from the original

Deuteranopia#9CA5BFno green cones; the most common form, about 1% of men; ΔE 35.2 from the original

Tritanopia#00C2BCno blue cones; rare, and affects men and women equally; ΔE 8.7 from the original

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

Contrast with white, large text2.29:1WCAG large text: Fail

Contrast with black, large text9.15:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 8 Medium turquoise · ΔE 8.7 Dark turquoise · ΔE 9.4 Cadetblue · ΔE 16.1 Turquoise · ΔE 17.5 Dark cyan · ΔE 18

Nearest named CSS colourLight seagreen (#20B2AA)ΔE 7.96, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BE4240

Analogous#40BE81, #407DBE

Triadic#BE40BC, #BCBE40

Split complementary#BE407D, #BE8140

Tetradic#8140BE, #BE4240, #7DBE40

Tints, shades & saturation

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

Lighter +40%#D8F1F2

Lighter +30%#B2E4E5

Lighter +20%#8CD7D8

Lighter +10%#66CACB

Darker −10%#339698

Darker −20%#267172

Darker −30%#194B4C

Darker −40%#0D2525

More saturated +25%#20DBDE

Less saturated −25%#609D9E

Channel breakdown

R64

G188

B190

Red64 (25.1%)

Green188 (73.7%)

Blue190 (74.5%)

Hue180.95°

Saturation (HSL)49.61%

Lightness49.8%

Dominant channelBlue

Hex per channelR 40 · G BC · B BE

Keep nerding

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#40BCBE

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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