Recognised as Colour

#28B1BB

#28B1BB
Cyan
Dark
Nearest: Light seagreen

#28B1BB is a cyan with RGB values 40, 177, 187 and HSL 184°, 65%, 45%. It is a dark colour, so black text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#28B1BB#28B1BB

HEX#28B1BB

RGBrgb(40, 177, 187)

RGB (0–1)0.1569, 0.6941, 0.7333

RGB percentages15.7%, 69.4%, 73.3%

HSLhsl(184.1, 64.8%, 44.5%)

HSV / HSBhsv(184.1, 78.6%, 73.3%)

CMYK78.6%, 5.3%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,666,939

CSS custom property--colour: #28B1BB;

Brightness & contrast

Relative luminance0.35483WCAG 2.x, 0 is black and 1 is white

Perceived brightness151.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.1:1

Contrast with white2.59:1WCAG normal text: Fail

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

Greyscale equivalent#959595

Inverted#D74E44

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A3A9BCno red cones; affects about 1% of men; ΔE 33.5 from the original

Deuteranopia#8F9ABCno green cones; the most common form, about 1% of men; ΔE 35.1 from the original

Tritanopia#00B8B4no blue cones; rare, and affects men and women equally; ΔE 10 from the original

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

Contrast with white, large text2.59:1WCAG large text: Fail

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

Named colours

Light seagreen · ΔE 10.9 Dark turquoise · ΔE 12.8 Medium turquoise · ΔE 14.2 Cadetblue · ΔE 14.8 Dark cyan · ΔE 15.3 Teal · ΔE 19.3

Nearest named CSS colourLight seagreen (#20B2AA)ΔE 10.92, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BB3228

Analogous#28BB7B, #2868BB

Triadic#BB28B1, #B1BB28

Split complementary#BB2868, #BB7B28

Tetradic#7B28BB, #BB3228, #68BB28

Tints, shades & saturation

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

Lighter +40%#BEEEF1

Lighter +30%#94E2E8

Lighter +20%#6AD7DF

Lighter +10%#40CCD6

Darker −10%#1F8991

Darker −20%#166167

Darker −30%#0D3A3D

Darker −40%#041213

More saturated +25%#0CCAD7

Less saturated −25%#44989F

Channel breakdown

R40

G177

B187

Red40 (15.7%)

Green177 (69.4%)

Blue187 (73.3%)

Hue184.08°

Saturation (HSL)64.76%

Lightness44.51%

Dominant channelBlue

Hex per channelR 28 · G B1 · B BB

Keep nerding

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

#28B1BB

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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