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Recognised as Colour

#13643F

  • #13643F
  • Cyan
  • Dark
  • Nearest: Sea green

#13643F is a cyan with RGB values 19, 100, 63 and HSL 153°, 68%, 23%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Sea green.

Colour values

#13643F#13643F
HEX#13643F
RGBrgb(19, 100, 63)
RGB (0–1)0.0745, 0.3922, 0.2471
RGB percentages7.5%, 39.2%, 24.7%
HSLhsl(152.6, 68.1%, 23.3%)
HSV / HSBhsv(152.6, 81%, 39.2%)
CMYK81%, 0%, 37%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,270,847
CSS custom property--colour: #13643F;

Brightness & contrast

Relative luminance0.09612WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.19:1
Contrast with white7.19:1WCAG normal text: AAA
Contrast with black2.92:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#EC9BC0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#635C3Dno red cones; affects about 1% of men; ΔE 31.1 from the original
Deuteranopia#595541no green cones; the most common form, about 1% of men; ΔE 31.1 from the original
Tritanopia#00635Ano blue cones; rare, and affects men and women equally; ΔE 17.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.19:1WCAG large text: AAA
Contrast with black, large text2.92:1WCAG large text: Fail

Named colours

Sea green · ΔE 16.8Dark olivegreen · ΔE 22.1Teal · ΔE 25.8Dark cyan · ΔE 28Dark slate grey · ΔE 28.6Dark green · ΔE 29.3
Nearest named CSS colourSea green (#2E8B57)ΔE 16.82, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#641338
Analogous#136417, #136064
Triadic#3F1364, #643F13
Split complementary#641360, #641713
Tetradic#171364, #641338, #606413

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#62E1A7
Lighter +30%#37D98F
Lighter +20%#23BA75
Lighter +10%#1B8F5A
Darker −10%#0B3924
Darker −20%#030E09
Darker −30%#000000
Darker −40%#000000
More saturated +25%#047340
Less saturated −25%#22553E

Channel breakdown

R19
G100
B63
Red19 (7.5%)
Green100 (39.2%)
Blue63 (24.7%)
Hue152.59°
Saturation (HSL)68.07%
Lightness23.33%
Dominant channelGreen
Hex per channelR 13 · G 64 · B 3F

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Every value on this page was computed from “13643f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.