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Recognised as Colour

#04543B

  • #04543B
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#04543B is a cyan with RGB values 4, 84, 59 and HSL 161°, 91%, 17%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#04543B#04543B
HEX#04543B
RGBrgb(4, 84, 59)
RGB (0–1)0.0157, 0.3294, 0.2314
RGB percentages1.6%, 32.9%, 23.1%
HSLhsl(161.3, 90.9%, 17.3%)
HSV / HSBhsv(161.3, 95.2%, 32.9%)
CMYK95.2%, 0%, 29.8%, 67.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer283,707
CSS custom property--colour: #04543B;

Brightness & contrast

Relative luminance0.06682WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.99:1
Contrast with white8.99:1WCAG normal text: AAA
Contrast with black2.34:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#FBABC4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#524D3Ano red cones; affects about 1% of men; ΔE 27.7 from the original
Deuteranopia#49463Dno green cones; the most common form, about 1% of men; ΔE 28.4 from the original
Tritanopia#00544Dno blue cones; rare, and affects men and women equally; ΔE 11.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.99:1WCAG large text: AAA
Contrast with black, large text2.34:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 21.1Teal · ΔE 24.2Sea green · ΔE 25.9Dark olivegreen · ΔE 26.7Dark cyan · ΔE 27.5Dim grey · ΔE 32.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 21.05, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#54041D
Analogous#045413, #044554
Triadic#3B0454, #543B04
Split complementary#540445, #541304
Tetradic#130454, #54041D, #455404

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2FF5B7
Lighter +30%#0BE6A2
Lighter +20%#09B57F
Lighter +10%#06855D
Darker −10%#022319
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00583D
Less saturated −25%#0F4937

Channel breakdown

R4
G84
B59
Red4 (1.6%)
Green84 (32.9%)
Blue59 (23.1%)
Hue161.25°
Saturation (HSL)90.91%
Lightness17.25%
Dominant channelGreen
Hex per channelR 04 · G 54 · B 3B

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Every value on this page was computed from “04543b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.