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Recognised as Colour

#004121

  • #004121
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#004121 is a cyan with RGB values 0, 65, 33 and HSL 150°, 100%, 13%. It is a dark colour, so white text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#004121#004121
HEX#004121
RGBrgb(0, 65, 33)
RGB (0–1)0, 0.2549, 0.1294
RGB percentages0%, 25.5%, 12.9%
HSLhsl(150.5, 100%, 12.7%)
HSV / HSBhsv(150.5, 100%, 25.5%)
CMYK100%, 0%, 49.2%, 74.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,673
CSS custom property--colour: #004121;

Brightness & contrast

Relative luminance0.0389WCAG 2.x, 0 is black and 1 is white
Perceived brightness51 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.81:1
Contrast with white11.81:1WCAG normal text: AAA
Contrast with black1.78:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#FFBEDE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#413B1Fno red cones; affects about 1% of men; ΔE 26 from the original
Deuteranopia#3A3623no green cones; the most common form, about 1% of men; ΔE 26 from the original
Tritanopia#004039no blue cones; rare, and affects men and women equally; ΔE 17 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.81:1WCAG large text: AAA
Contrast with black, large text1.78:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 25.4Dark olivegreen · ΔE 26.5Sea green · ΔE 31.2Teal · ΔE 33.8Dark green · ΔE 34.2Dark cyan · ΔE 37.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 25.39, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#410020
Analogous#004100, #004141
Triadic#210041, #412100
Split complementary#410041, #410000
Tetradic#000041, #410020, #414100

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0EFF88
Lighter +30%#00DA6F
Lighter +20%#00A755
Lighter +10%#00743B
Darker −10%#000E07
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004121
Less saturated −25%#083921

Channel breakdown

R0
G65
B33
Red0 (0%)
Green65 (25.5%)
Blue33 (12.9%)
Hue150.46°
Saturation (HSL)100%
Lightness12.75%
Dominant channelGreen
Hex per channelR 00 · G 41 · B 21

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Every value on this page was computed from “hex 004121” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.