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Colour

#3F3700

  • #3F3700
  • Yellow
  • Dark
  • Nearest: Dark olivegreen

#3F3700 is a yellow with RGB values 63, 55, 0 and HSL 52°, 100%, 12%. It is a dark colour, so white text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#3F3700#3F3700
HEX#3F3700
RGBrgb(63, 55, 0)
RGB (0–1)0.2471, 0.2157, 0
RGB percentages24.7%, 21.6%, 0%
HSLhsl(52.4, 100%, 12.4%)
HSV / HSBhsv(52.4, 100%, 24.7%)
CMYK0%, 12.7%, 100%, 75.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,142,848
CSS custom property--colour: #3F3700;

Brightness & contrast

Relative luminance0.03789WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.95:1
Contrast with white11.95:1WCAG normal text: AAA
Contrast with black1.76:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#C0C8FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3E3500no red cones; affects about 1% of men; ΔE 1.4 from the original
Deuteranopia#403803no green cones; the most common form, about 1% of men; ΔE 0.9 from the original
Tritanopia#45322Dno blue cones; rare, and affects men and women equally; ΔE 27.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.95:1WCAG large text: AAA
Contrast with black, large text1.76:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 25Saddle brown · ΔE 34.1Dark slate grey · ΔE 37.4Dim grey · ΔE 38.4Sienna · ΔE 38.6Black · ΔE 39.3
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 25.01, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#00083F
Analogous#3F1800, #273F00
Triadic#003F37, #37003F
Split complementary#00273F, #18003F
Tetradic#003F18, #00083F, #3F0027

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFE00C
Lighter +30%#D8BD00
Lighter +20%#A59000
Lighter +10%#726400
Darker −10%#0C0A00
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3F3700
Less saturated −25%#373108

Channel breakdown

R63
G55
B0
Red63 (24.7%)
Green55 (21.6%)
Blue0 (0%)
Hue52.38°
Saturation (HSL)100%
Lightness12.35%
Dominant channelRed
Hex per channelR 3F · G 37 · B 00

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Every value on this page was computed from “3f3700” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.