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Recognised as Colour

#104A42

  • #104A42
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#104A42 is a cyan with RGB values 16, 74, 66 and HSL 172°, 64%, 18%. It is a dark colour, so white text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#104A42#104A42
HEX#104A42
RGBrgb(16, 74, 66)
RGB (0–1)0.0627, 0.2902, 0.2588
RGB percentages6.3%, 29%, 25.9%
HSLhsl(171.7, 64.4%, 17.6%)
HSV / HSBhsv(171.7, 78.4%, 29%)
CMYK78.4%, 0%, 10.8%, 71%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,067,586
CSS custom property--colour: #104A42;

Brightness & contrast

Relative luminance0.05401WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.1:1
Contrast with white10.1:1WCAG normal text: AAA
Contrast with black2.08:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#EFB5BD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#464542no red cones; affects about 1% of men; ΔE 20.4 from the original
Deuteranopia#3E3F43no green cones; the most common form, about 1% of men; ΔE 21 from the original
Tritanopia#004C48no blue cones; rare, and affects men and women equally; ΔE 3.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.1:1WCAG large text: AAA
Contrast with black, large text2.08:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 9.8Teal · ΔE 23.5Dim grey · ΔE 26.3Dark cyan · ΔE 27.7Slate grey · ΔE 32.5Gray · ΔE 32.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.84, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4A1018
Analogous#104A25, #10354A
Triadic#42104A, #4A4210
Split complementary#4A1035, #4A2510
Tetradic#25104A, #4A1018, #354A10

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4DD9C5
Lighter +30%#2BC8B2
Lighter +20%#229E8D
Lighter +10%#197467
Darker −10%#07201D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#05554A
Less saturated −25%#1B3F3A

Channel breakdown

R16
G74
B66
Red16 (6.3%)
Green74 (29%)
Blue66 (25.9%)
Hue171.72°
Saturation (HSL)64.44%
Lightness17.65%
Dominant channelGreen
Hex per channelR 10 · G 4A · B 42

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Every value on this page was computed from “104a42” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.