Colour

#219D81

#219D81
Cyan
Dark
Nearest: Light seagreen

#219D81 is a cyan with RGB values 33, 157, 129 and HSL 166°, 65%, 37%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Light seagreen.

Colour values

#219D81#219D81

HEX#219D81

RGBrgb(33, 157, 129)

RGB (0–1)0.1294, 0.6157, 0.5059

RGB percentages12.9%, 61.6%, 50.6%

HSLhsl(166.5, 65.3%, 37.3%)

HSV / HSBhsv(166.5, 79%, 61.6%)

CMYK79%, 0%, 17.8%, 38.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,203,009

CSS custom property--colour: #219D81;

Brightness & contrast

Relative luminance0.26022WCAG 2.x, 0 is black and 1 is white

Perceived brightness129.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.2:1

Contrast with white3.38:1WCAG normal text: Fail

Contrast with black6.2:1WCAG normal text: AA

Greyscale equivalent#818181

Inverted#DE627E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#989280no red cones; affects about 1% of men; ΔE 38.9 from the original

Deuteranopia#888783no green cones; the most common form, about 1% of men; ΔE 39.2 from the original

Tritanopia#009F95no blue cones; rare, and affects men and women equally; ΔE 10.5 from the original

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

Contrast with white, large text3.38:1WCAG large text: AA

Contrast with black, large text6.2:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 14.2 Sea green · ΔE 16.1 Dark cyan · ΔE 17.9 Medium aquamarine · ΔE 17.9 Teal · ΔE 20 Medium seagreen · ΔE 22.1

Nearest named CSS colourLight seagreen (#20B2AA)ΔE 14.15, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#9D213D

Analogous#219D43, #217B9D

Triadic#81219D, #9D8121

Split complementary#9D217B, #9D4321

Tetradic#43219D, #9D213D, #7B9D21

Tints, shades & saturation

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

Lighter +40%#9FEBDA

Lighter +30%#75E2C9

Lighter +20%#4BD9B9

Lighter +10%#2AC7A4

Darker −10%#18735E

Darker −20%#0F493C

Darker −30%#061F19

Darker −40%#000000

More saturated +25%#09B58E

Less saturated −25%#398574

Channel breakdown

R33

G157

B129

Red33 (12.9%)

Green157 (61.6%)

Blue129 (50.6%)

Hue166.45°

Saturation (HSL)65.26%

Lightness37.25%

Dominant channelGreen

Hex per channelR 21 · G 9D · B 81

Keep nerding

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

#219D81

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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