Colour

#18A784

#18A784
Cyan
Dark
Nearest: Medium aquamarine

#18A784 is a cyan with RGB values 24, 167, 132 and HSL 165°, 75%, 37%. It is a dark colour, so black text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#18A784#18A784

HEX#18A784

RGBrgb(24, 167, 132)

RGB (0–1)0.0941, 0.6549, 0.5176

RGB percentages9.4%, 65.5%, 51.8%

HSLhsl(165.3, 74.9%, 37.5%)

HSV / HSBhsv(165.3, 85.6%, 65.5%)

CMYK85.6%, 0%, 21%, 34.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,615,748

CSS custom property--colour: #18A784;

Brightness & contrast

Relative luminance0.29498WCAG 2.x, 0 is black and 1 is white

Perceived brightness136.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.9:1

Contrast with white3.04:1WCAG normal text: Fail

Contrast with black6.9:1WCAG normal text: AA

Greyscale equivalent#868686

Inverted#E7587B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A29B82no red cones; affects about 1% of men; ΔE 42.6 from the original

Deuteranopia#918F86no green cones; the most common form, about 1% of men; ΔE 43 from the original

Tritanopia#00A89Dno blue cones; rare, and affects men and women equally; ΔE 13.9 from the original

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

Contrast with white, large text3.04:1WCAG large text: AA

Contrast with black, large text6.9:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 15.5 Sea green · ΔE 15.9 Light seagreen · ΔE 16.5 Medium seagreen · ΔE 17.2 Dark cyan · ΔE 23.5 Turquoise · ΔE 23.5

Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 15.47, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#A7183B

Analogous#18A73D, #1883A7

Triadic#8418A7, #A78418

Split complementary#A71882, #A73D18

Tetradic#3D18A7, #A7183B, #82A718

Tints, shades & saturation

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

Lighter +40%#9AF1DB

Lighter +30%#6EEACC

Lighter +20%#41E4BC

Lighter +10%#1ED4A7

Darker −10%#127A61

Darker −20%#0B4E3E

Darker −30%#05211A

Darker −40%#000000

More saturated +25%#00BF90

Less saturated −25%#308F78

Channel breakdown

R24

G167

B132

Red24 (9.4%)

Green167 (65.5%)

Blue132 (51.8%)

Hue165.31°

Saturation (HSL)74.87%

Lightness37.45%

Dominant channelGreen

Hex per channelR 18 · G A7 · B 84

Keep nerding

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#18A784

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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