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Colour

#4F580B

  • #4F580B
  • Yellow
  • Dark
  • Nearest: Dark olivegreen

#4F580B is a yellow with RGB values 79, 88, 11 and HSL 67°, 78%, 19%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#4F580B#4F580B
HEX#4F580B
RGBrgb(79, 88, 11)
RGB (0–1)0.3098, 0.3451, 0.0431
RGB percentages31%, 34.5%, 4.3%
HSLhsl(67, 77.8%, 19.4%)
HSV / HSBhsv(67, 87.5%, 34.5%)
CMYK10.2%, 0%, 87.5%, 65.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,199,883
CSS custom property--colour: #4F580B;

Brightness & contrast

Relative luminance0.08666WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.68:1
Contrast with white7.68:1WCAG normal text: AAA
Contrast with black2.73:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#B0A7F4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5F5300no red cones; affects about 1% of men; ΔE 11.2 from the original
Deuteranopia#5E5413no green cones; the most common form, about 1% of men; ΔE 10.3 from the original
Tritanopia#55524Ano blue cones; rare, and affects men and women equally; ΔE 36.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.68:1WCAG large text: AAA
Contrast with black, large text2.73:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 12.1Olive · ΔE 24.1Olivedrab · ΔE 26.2Dark green · ΔE 29.6Sea green · ΔE 36Dark khaki · ΔE 38.4
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 12.05, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#140B58
Analogous#583B0B, #29580B
Triadic#0B4F58, #580B4F
Split complementary#0B2958, #3A0B58
Tetradic#0B583A, #140B58, #580B29

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D5E847
Lighter +30%#C9E01C
Lighter +20%#A0B316
Lighter +10%#788511
Darker −10%#262B05
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#576300
Less saturated −25%#464C17

Channel breakdown

R79
G88
B11
Red79 (31%)
Green88 (34.5%)
Blue11 (4.3%)
Hue67.01°
Saturation (HSL)77.78%
Lightness19.41%
Dominant channelGreen
Hex per channelR 4F · G 58 · B 0B

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Every value on this page was computed from “4f580b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.