Colour

#19B4B4

#19B4B4
Cyan
Dark
Nearest: Light seagreen

#19B4B4 is a cyan with RGB values 25, 180, 180 and HSL 180°, 76%, 40%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#19B4B4#19B4B4

HEX#19B4B4

RGBrgb(25, 180, 180)

RGB (0–1)0.098, 0.7059, 0.7059

RGB percentages9.8%, 70.6%, 70.6%

HSLhsl(180, 75.6%, 40.2%)

HSV / HSBhsv(180, 86.1%, 70.6%)

CMYK86.1%, 0%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,684,660

CSS custom property--colour: #19B4B4;

Brightness & contrast

Relative luminance0.36144WCAG 2.x, 0 is black and 1 is white

Perceived brightness151.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.23:1

Contrast with white2.55:1WCAG normal text: Fail

Contrast with black8.23:1WCAG normal text: AAA

Greyscale equivalent#939393

Inverted#E64B4B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A7ABB4no red cones; affects about 1% of men; ΔE 36.9 from the original

Deuteranopia#939CB5no green cones; the most common form, about 1% of men; ΔE 38.4 from the original

Tritanopia#00BAB4no blue cones; rare, and affects men and women equally; ΔE 4.8 from the original

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

Contrast with white, large text2.55:1WCAG large text: Fail

Contrast with black, large text8.23:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 4.6 Dark turquoise · ΔE 10 Medium turquoise · ΔE 10.6 Dark cyan · ΔE 15.5 Cadetblue · ΔE 17.5 Turquoise · ΔE 18

Nearest named CSS colourLight seagreen (#20B2AA)ΔE 4.64, a close match

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B41919

Analogous#19B467, #1967B4

Triadic#B419B4, #B4B419

Split complementary#B41967, #B46719

Tetradic#6719B4, #B41919, #67B419

Tints, shades & saturation

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

Lighter +40%#A6F3F3

Lighter +30%#7AECEC

Lighter +20%#4DE6E6

Lighter +10%#20E0E0

Darker −10%#138787

Darker −20%#0D5A5A

Darker −30%#062E2E

Darker −40%#000101

More saturated +25%#00CDCD

Less saturated −25%#339A9A

Channel breakdown

R25

G180

B180

Red25 (9.8%)

Green180 (70.6%)

Blue180 (70.6%)

Hue180°

Saturation (HSL)75.61%

Lightness40.2%

Dominant channelGreen and Blue

Hex per channelR 19 · G B4 · B B4

Keep nerding

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

#19B4B4

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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