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Recognised as Colour

#4F5521

  • #4F5521
  • Yellow
  • Dark
  • Nearest: Dark olivegreen

#4F5521 is a yellow with RGB values 79, 85, 33 and HSL 67°, 44%, 23%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#4F5521#4F5521
HEX#4F5521
RGBrgb(79, 85, 33)
RGB (0–1)0.3098, 0.3333, 0.1294
RGB percentages31%, 33.3%, 12.9%
HSLhsl(66.9, 44.1%, 23.1%)
HSV / HSBhsv(66.9, 61.2%, 33.3%)
CMYK7.1%, 0%, 61.2%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,199,137
CSS custom property--colour: #4F5521;

Brightness & contrast

Relative luminance0.08269WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.91:1
Contrast with white7.91:1WCAG normal text: AAA
Contrast with black2.65:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#B0AADE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5B511Cno red cones; affects about 1% of men; ΔE 8.2 from the original
Deuteranopia#5B5224no green cones; the most common form, about 1% of men; ΔE 7.9 from the original
Tritanopia#54504Ano 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 text7.91:1WCAG large text: AAA
Contrast with black, large text2.65:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 11.2Dim grey · ΔE 32.4Olive · ΔE 32.8Dark slate grey · ΔE 32.9Olivedrab · ΔE 33.7Sea green · ΔE 34.7
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 11.24, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#272155
Analogous#554121, #355521
Triadic#214F55, #55214F
Split complementary#213555, #412155
Tetradic#215541, #272155, #552135

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C1CA78
Lighter +30%#B0BC53
Lighter +20%#939E3E
Lighter +10%#717A2F
Darker −10%#2D3013
Darker −20%#0B0C04
Darker −30%#000000
Darker −40%#000000
More saturated +25%#5A6412
Less saturated −25%#444630

Channel breakdown

R79
G85
B33
Red79 (31%)
Green85 (33.3%)
Blue33 (12.9%)
Hue66.92°
Saturation (HSL)44.07%
Lightness23.14%
Dominant channelGreen
Hex per channelR 4F · G 55 · B 21

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Every value on this page was computed from “4f5521” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.