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Recognised as Colour

#21220D

  • #21220D
  • Yellow
  • Dark
  • Nearest: Black

#21220D is a yellow with RGB values 33, 34, 13 and HSL 63°, 45%, 9%. It is a dark colour, so white text on it reaches 16.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#21220D#21220D
HEX#21220D
RGBrgb(33, 34, 13)
RGB (0–1)0.1294, 0.1333, 0.051
RGB percentages12.9%, 13.3%, 5.1%
HSLhsl(62.9, 44.7%, 9.2%)
HSV / HSBhsv(62.9, 61.8%, 13.3%)
CMYK2.9%, 0%, 61.8%, 86.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,171,405
CSS custom property--colour: #21220D;

Brightness & contrast

Relative luminance0.01496WCAG 2.x, 0 is black and 1 is white
Perceived brightness32 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.16:1
Contrast with white16.16:1WCAG normal text: AAA
Contrast with black1.3:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#DEDDF2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#25200Bno red cones; affects about 1% of men; ΔE 3.4 from the original
Deuteranopia#25210Eno green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#23201Dno blue cones; rare, and affects men and women equally; ΔE 11.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.16:1WCAG large text: AAA
Contrast with black, large text1.3:1WCAG large text: Fail

Named colours

Black · ΔE 18.7Dark slate grey · ΔE 26.1Dim grey · ΔE 34.7Dark olivegreen · ΔE 37.3Gray · ΔE 43.3Slate grey · ΔE 46.7
Nearest named CSS colourBlack (#000000)ΔE 18.7, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0E0D22
Analogous#22180D, #17220D
Triadic#0D2122, #220D21
Split complementary#0D1622, #190D22
Tetradic#0D2219, #0E0D22, #220D16

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B0B645
Lighter +30%#8C9137
Lighter +20%#696C29
Lighter +10%#45471B
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#262807
Less saturated −25%#1C1C13

Channel breakdown

R33
G34
B13
Red33 (12.9%)
Green34 (13.3%)
Blue13 (5.1%)
Hue62.86°
Saturation (HSL)44.68%
Lightness9.22%
Dominant channelGreen
Hex per channelR 21 · G 22 · B 0D

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Every value on this page was computed from “21220d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.