Colour

#221F09

#221F09
Yellow
Dark
Nearest: Black

#221F09 is a yellow with RGB values 34, 31, 9 and HSL 53°, 58%, 8%. It is a dark colour, so white text on it reaches 16.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#221F09#221F09

HEX#221F09

RGBrgb(34, 31, 9)

RGB (0–1)0.1333, 0.1216, 0.0353

RGB percentages13.3%, 12.2%, 3.5%

HSLhsl(52.8, 58.1%, 8.4%)

HSV / HSBhsv(52.8, 73.5%, 13.3%)

CMYK0%, 8.8%, 73.5%, 86.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,236,169

CSS custom property--colour: #221F09;

Brightness & contrast

Relative luminance0.0134WCAG 2.x, 0 is black and 1 is white

Perceived brightness30.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.56:1

Contrast with white16.56:1WCAG normal text: AAA

Contrast with black1.27:1WCAG normal text: Fail

Greyscale equivalent#1E1E1E

Inverted#DDE0F6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#221E07no red cones; affects about 1% of men; ΔE 0.7 from the original

Deuteranopia#231F0Ano green cones; the most common form, about 1% of men; ΔE 0.7 from the original

Tritanopia#251C1Ano blue cones; rare, and affects men and women equally; ΔE 12.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.56:1WCAG large text: AAA

Contrast with black, large text1.27:1WCAG large text: Fail

Named colours

Black · ΔE 17.9 Dark slate grey · ΔE 27.7 Dim grey · ΔE 35.6 Dark olivegreen · ΔE 38.8 Gray · ΔE 44.2 Saddle brown · ΔE 47.5

Nearest named CSS colourBlack (#000000)ΔE 17.87, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#090C22

Analogous#221309, #182209

Triadic#09221F, #1F0922

Split complementary#091922, #120922

Tetradic#092213, #090C22, #220919

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#C3B234

Lighter +30%#9B8D29

Lighter +20%#73691E

Lighter +10%#4A4414

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#272304

Less saturated −25%#1D1B0E

Channel breakdown

R34

G31

Red34 (13.3%)

Green31 (12.2%)

Blue9 (3.5%)

Hue52.8°

Saturation (HSL)58.14%

Lightness8.43%

Dominant channelRed

Hex per channelR 22 · G 1F · B 09

Keep nerding

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

#221F09

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

Nerdulate something else