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Recognised as Colour

#154D43

  • #154D43
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#154D43 is a cyan with RGB values 21, 77, 67 and HSL 169°, 57%, 19%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#154D43#154D43
HEX#154D43
RGBrgb(21, 77, 67)
RGB (0–1)0.0824, 0.302, 0.2627
RGB percentages8.2%, 30.2%, 26.3%
HSLhsl(169.3, 57.1%, 19.2%)
HSV / HSBhsv(169.3, 72.7%, 30.2%)
CMYK72.7%, 0%, 13%, 69.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,396,035
CSS custom property--colour: #154D43;

Brightness & contrast

Relative luminance0.05872WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.66:1
Contrast with white9.66:1WCAG normal text: AAA
Contrast with black2.17:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#EAB2BC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4A4843no red cones; affects about 1% of men; ΔE 20.8 from the original
Deuteranopia#424244no green cones; the most common form, about 1% of men; ΔE 21.3 from the original
Tritanopia#004E4Ano blue cones; rare, and affects men and women equally; ΔE 4.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.66:1WCAG large text: AAA
Contrast with black, large text2.17:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.3Teal · ΔE 22.7Dim grey · ΔE 25.8Dark cyan · ΔE 26.9Gray · ΔE 32.1Slate grey · ΔE 32.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.29, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4D151F
Analogous#154D27, #153B4D
Triadic#43154D, #4D4315
Split complementary#4D153B, #4D2715
Tetradic#27154D, #4D151F, #3B4D15

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5CD2BD
Lighter +30%#36C5AC
Lighter +20%#2B9D89
Lighter +10%#207566
Darker −10%#0A2520
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#09594B
Less saturated −25%#21413B

Channel breakdown

R21
G77
B67
Red21 (8.2%)
Green77 (30.2%)
Blue67 (26.3%)
Hue169.29°
Saturation (HSL)57.14%
Lightness19.22%
Dominant channelGreen
Hex per channelR 15 · G 4D · B 43

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Every value on this page was computed from “154d43” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.