Nerdulator> put something in

Recognised as Colour

#3F422F

  • #3F422F
  • Yellow
  • Dark
  • Nearest: Dark slate grey

#3F422F is a yellow with RGB values 63, 66, 47 and HSL 69°, 17%, 22%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3F422F#3F422F
HEX#3F422F
RGBrgb(63, 66, 47)
RGB (0–1)0.2471, 0.2588, 0.1843
RGB percentages24.7%, 25.9%, 18.4%
HSLhsl(69.5, 16.8%, 22.2%)
HSV / HSBhsv(69.5, 28.8%, 25.9%)
CMYK4.5%, 0%, 28.8%, 74.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,145,711
CSS custom property--colour: #3F422F;

Brightness & contrast

Relative luminance0.05158WCAG 2.x, 0 is black and 1 is white
Perceived brightness63.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.34:1
Contrast with white10.34:1WCAG normal text: AAA
Contrast with black2.03:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#C0BDD0

Colour vision & accessibility

Protanopia#45402Eno red cones; affects about 1% of men; ΔE 3.9 from the original
Deuteranopia#454030no green cones; the most common form, about 1% of men; ΔE 4.3 from the original
Tritanopia#41403Dno blue cones; rare, and affects men and women equally; ΔE 10.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.34:1WCAG large text: AAA
Contrast with black, large text2.03:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.81, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#322F42
Analogous#423C2F, #36422F
Triadic#2F3F42, #422F3F
Split complementary#2F3642, #3B2F42
Tetradic#2F423B, #322F42, #422F36

Tints, shades & saturation

Lighter +40%#AAAF8E
Lighter +30%#939A70
Lighter +20%#787E59
Lighter +10%#5B6044
Darker −10%#23241A
Darker −20%#060605
Darker −30%#000000
Darker −40%#000000
More saturated +25%#495021
Less saturated −25%#393939

Channel breakdown

R63
G66
B47
Red63 (24.7%)
Green66 (25.9%)
Blue47 (18.4%)
Hue69.47°
Saturation (HSL)16.81%
Lightness22.16%
Dominant channelGreen
Hex per channelR 3F · G 42 · B 2F

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “3f422f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.