Recognised as Colour

#40B3BB

#40B3BB
Cyan
Dark
Nearest: Light seagreen

#40B3BB is a cyan with RGB values 64, 179, 187 and HSL 184°, 49%, 49%. It is a dark colour, so black text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#40B3BB#40B3BB

HEX#40B3BB

RGBrgb(64, 179, 187)

RGB (0–1)0.251, 0.702, 0.7333

RGB percentages25.1%, 70.2%, 73.3%

HSLhsl(183.9, 49%, 49.2%)

HSV / HSBhsv(183.9, 65.8%, 73.3%)

CMYK65.8%, 4.3%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,240,315

CSS custom property--colour: #40B3BB;

Brightness & contrast

Relative luminance0.36918WCAG 2.x, 0 is black and 1 is white

Perceived brightness155 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.38:1

Contrast with white2.5:1WCAG normal text: Fail

Contrast with black8.38:1WCAG normal text: AAA

Greyscale equivalent#9B9B9B

Inverted#BF4C44

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A6ABBCno red cones; affects about 1% of men; ΔE 31.3 from the original

Deuteranopia#939EBCno green cones; the most common form, about 1% of men; ΔE 32.1 from the original

Tritanopia#00BAB5no blue cones; rare, and affects men and women equally; ΔE 11.4 from the original

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

Contrast with white, large text2.5:1WCAG large text: Fail

Contrast with black, large text8.38:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 11.1 Cadetblue · ΔE 12.8 Dark turquoise · ΔE 13.5 Medium turquoise · ΔE 13.7 Dark cyan · ΔE 15.7 Teal · ΔE 19.6

Nearest named CSS colourLight seagreen (#20B2AA)ΔE 11.12, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BB4840

Analogous#40BB85, #4076BB

Triadic#BB40B3, #B3BB40

Split complementary#BB4076, #BB8540

Tetradic#8540BB, #BB4840, #76BB40

Tints, shades & saturation

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

Lighter +40%#D6EFF1

Lighter +30%#B0E1E4

Lighter +20%#8AD2D7

Lighter +10%#64C3CA

Darker −10%#338F95

Darker −20%#266A6F

Darker −30%#194649

Darker −40%#0C2223

More saturated +25%#21CEDA

Less saturated −25%#5F989C

Channel breakdown

R64

G179

B187

Red64 (25.1%)

Green179 (70.2%)

Blue187 (73.3%)

Hue183.9°

Saturation (HSL)49%

Lightness49.22%

Dominant channelBlue

Hex per channelR 40 · G B3 · B BB

Keep nerding

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

#40B3BB

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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