Nerdulator> put something in

Colour

#221D00

  • #221D00
  • Yellow
  • Dark
  • Nearest: Black

#221D00 is a yellow with RGB values 34, 29, 0 and HSL 51°, 100%, 7%. It is a dark colour, so white text on it reaches 16.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#221D00#221D00
HEX#221D00
RGBrgb(34, 29, 0)
RGB (0–1)0.1333, 0.1137, 0
RGB percentages13.3%, 11.4%, 0%
HSLhsl(51.2, 100%, 6.7%)
HSV / HSBhsv(51.2, 100%, 13.3%)
CMYK0%, 14.7%, 100%, 86.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,235,648
CSS custom property--colour: #221D00;

Brightness & contrast

Relative luminance0.01219WCAG 2.x, 0 is black and 1 is white
Perceived brightness29 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.88:1
Contrast with white16.88:1WCAG normal text: AAA
Contrast with black1.24:1WCAG normal text: Fail
Greyscale equivalent#1C1C1C
Inverted#DDE2FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#211C00no red cones; affects about 1% of men; ΔE 0.9 from the original
Deuteranopia#231E01no green cones; the most common form, about 1% of men; ΔE 0.6 from the original
Tritanopia#261A17no blue cones; rare, and affects men and women equally; ΔE 13.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.88:1WCAG large text: AAA
Contrast with black, large text1.24:1WCAG large text: Fail

Named colours

Black · ΔE 19.3Dark slate grey · ΔE 30Dim grey · ΔE 37.3Dark olivegreen · ΔE 38.6Gray · ΔE 45.8Saddle brown · ΔE 46.4
Nearest named CSS colourBlack (#000000)ΔE 19.27, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#000522
Analogous#220C00, #162200
Triadic#00221D, #1D0022
Split complementary#001622, #0C0022
Tetradic#00220C, #000522, #220016

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EECB00
Lighter +30%#BBA000
Lighter +20%#887400
Lighter +10%#554900
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#221D00
Less saturated −25%#1E1A04

Channel breakdown

R34
G29
B0
Red34 (13.3%)
Green29 (11.4%)
Blue0 (0%)
Hue51.18°
Saturation (HSL)100%
Lightness6.67%
Dominant channelRed
Hex per channelR 22 · G 1D · B 00

Keep nerding

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

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “221d00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.