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Recognised as Colour

#15543F

  • #15543F
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#15543F is a cyan with RGB values 21, 84, 63 and HSL 160°, 60%, 21%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#15543F#15543F
HEX#15543F
RGBrgb(21, 84, 63)
RGB (0–1)0.0824, 0.3294, 0.2471
RGB percentages8.2%, 32.9%, 24.7%
HSLhsl(160, 60%, 20.6%)
HSV / HSBhsv(160, 75%, 32.9%)
CMYK75%, 0%, 25%, 67.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,397,823
CSS custom property--colour: #15543F;

Brightness & contrast

Relative luminance0.06859WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.85:1
Contrast with white8.85:1WCAG normal text: AAA
Contrast with black2.37:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#EAABC0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#524E3Eno red cones; affects about 1% of men; ΔE 24.4 from the original
Deuteranopia#4A4840no green cones; the most common form, about 1% of men; ΔE 24.7 from the original
Tritanopia#00544Eno blue cones; rare, and affects men and women equally; ΔE 9.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.85:1WCAG large text: AAA
Contrast with black, large text2.37:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.2Teal · ΔE 22.8Dark cyan · ΔE 26.5Dark olivegreen · ΔE 27.1Sea green · ΔE 28Dim grey · ΔE 29.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.21, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#54152A
Analogous#15541F, #154A54
Triadic#3F1554, #543F15
Split complementary#541549, #541F15
Tetradic#201554, #54152A, #4A5415

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5ED7AF
Lighter +30%#35CD9A
Lighter +20%#29A67C
Lighter +10%#1F7D5E
Darker −10%#0B2B20
Darker −20%#010202
Darker −30%#000000
Darker −40%#000000
More saturated +25%#086143
Less saturated −25%#22473B

Channel breakdown

R21
G84
B63
Red21 (8.2%)
Green84 (32.9%)
Blue63 (24.7%)
Hue160°
Saturation (HSL)60%
Lightness20.59%
Dominant channelGreen
Hex per channelR 15 · G 54 · B 3F

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Every value on this page was computed from “15543f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.