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Recognised as Colour

#423B00

  • #423B00
  • Yellow
  • Dark
  • Nearest: Dark olivegreen

#423B00 is a yellow with RGB values 66, 59, 0 and HSL 54°, 100%, 13%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#423B00#423B00
HEX#423B00
RGBrgb(66, 59, 0)
RGB (0–1)0.2588, 0.2314, 0
RGB percentages25.9%, 23.1%, 0%
HSLhsl(53.6, 100%, 12.9%)
HSV / HSBhsv(53.6, 100%, 25.9%)
CMYK0%, 10.6%, 100%, 74.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,340,480
CSS custom property--colour: #423B00;

Brightness & contrast

Relative luminance0.04286WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.31:1
Contrast with white11.31:1WCAG normal text: AAA
Contrast with black1.86:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#BDC4FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#423900no red cones; affects about 1% of men; ΔE 1.6 from the original
Deuteranopia#443C04no green cones; the most common form, about 1% of men; ΔE 1.3 from the original
Tritanopia#483631no blue cones; rare, and affects men and women equally; ΔE 29.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.31:1WCAG large text: AAA
Contrast with black, large text1.86:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 23.3Saddle brown · ΔE 33.8Olive · ΔE 37Sienna · ΔE 38.4Dark slate grey · ΔE 38.6Dim grey · ΔE 39.1
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 23.31, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#000742
Analogous#421A00, #284200
Triadic#00423B, #3B0042
Split complementary#002842, #1A0042
Tetradic#00421A, #000742, #420028

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFE60F
Lighter +30%#DBC400
Lighter +20%#A89600
Lighter +10%#756900
Darker −10%#0F0D00
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#423B00
Less saturated −25%#3A3508

Channel breakdown

R66
G59
B0
Red66 (25.9%)
Green59 (23.1%)
Blue0 (0%)
Hue53.64°
Saturation (HSL)100%
Lightness12.94%
Dominant channelRed
Hex per channelR 42 · G 3B · B 00

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Every value on this page was computed from “423b00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.