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Colour

#18503D

  • #18503D
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#18503D is a cyan with RGB values 24, 80, 61 and HSL 160°, 54%, 20%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#18503D#18503D
HEX#18503D
RGBrgb(24, 80, 61)
RGB (0–1)0.0941, 0.3137, 0.2392
RGB percentages9.4%, 31.4%, 23.9%
HSLhsl(159.6, 53.8%, 20.4%)
HSV / HSBhsv(159.6, 70%, 31.4%)
CMYK70%, 0%, 23.7%, 68.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,593,405
CSS custom property--colour: #18503D;

Brightness & contrast

Relative luminance0.06268WCAG 2.x, 0 is black and 1 is white
Perceived brightness66 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.32:1
Contrast with white9.32:1WCAG normal text: AAA
Contrast with black2.25:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#E7AFC2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4E4A3Cno red cones; affects about 1% of men; ΔE 22.7 from the original
Deuteranopia#46453Eno green cones; the most common form, about 1% of men; ΔE 22.5 from the original
Tritanopia#00504Bno blue cones; rare, and affects men and women equally; ΔE 9.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.32:1WCAG large text: AAA
Contrast with black, large text2.25:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15.2Teal · ΔE 23.8Dark cyan · ΔE 27.6Dark olivegreen · ΔE 27.9Dim grey · ΔE 28.1Sea green · ΔE 30.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.23, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#50182B
Analogous#185021, #184750
Triadic#3D1850, #503D18
Split complementary#501847, #502118
Tetradic#211850, #50182B, #475018

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#64D0AB
Lighter +30%#3CC596
Lighter +20%#309E79
Lighter +10%#24775B
Darker −10%#0C291F
Darker −20%#000201
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0B5D41
Less saturated −25%#254339

Channel breakdown

R24
G80
B61
Red24 (9.4%)
Green80 (31.4%)
Blue61 (23.9%)
Hue159.64°
Saturation (HSL)53.85%
Lightness20.39%
Dominant channelGreen
Hex per channelR 18 · G 50 · B 3D

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Every value on this page was computed from “18503d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.