Colour

#221F10

#221F10
Yellow
Dark
Nearest: Black

#221F10 is a yellow with RGB values 34, 31, 16 and HSL 50°, 36%, 10%. It is a dark colour, so white text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#221F10#221F10

HEX#221F10

RGBrgb(34, 31, 16)

RGB (0–1)0.1333, 0.1216, 0.0627

RGB percentages13.3%, 12.2%, 6.3%

HSLhsl(50, 36%, 9.8%)

HSV / HSBhsv(50, 52.9%, 13.3%)

CMYK0%, 8.8%, 52.9%, 86.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,236,176

CSS custom property--colour: #221F10;

Brightness & contrast

Relative luminance0.01357WCAG 2.x, 0 is black and 1 is white

Perceived brightness30.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.52:1

Contrast with white16.52:1WCAG normal text: AAA

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

Greyscale equivalent#1F1F1F

Inverted#DDE0EF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#221E0Fno red cones; affects about 1% of men; ΔE 0.7 from the original

Deuteranopia#231F11no green cones; the most common form, about 1% of men; ΔE 0.8 from the original

Tritanopia#251D1Bno blue cones; rare, and affects men and women equally; ΔE 9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.52:1WCAG large text: AAA

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

Named colours

Black · ΔE 15.6 Dark slate grey · ΔE 26.2 Dim grey · ΔE 34.4 Dark olivegreen · ΔE 40.6 Gray · ΔE 43.2 Slate grey · ΔE 46.2

Nearest named CSS colourBlack (#000000)ΔE 15.64, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#101322

Analogous#221610, #1C2210

Triadic#10221F, #1F1022

Split complementary#101C22, #161022

Tetradic#102216, #101322, #22101C

Tints, shades & saturation

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

Lighter +40%#AD9D51

Lighter +30%#8A7E41

Lighter +20%#675E31

Lighter +10%#453F20

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#28230A

Less saturated −25%#1C1B16

Channel breakdown

R34

G31

B16

Red34 (13.3%)

Green31 (12.2%)

Blue16 (6.3%)

Hue50°

Saturation (HSL)36%

Lightness9.8%

Dominant channelRed

Hex per channelR 22 · G 1F · B 10

Keep nerding

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

#221F10

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

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