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Recognised as Colour

#1F1A04

  • #1F1A04
  • Yellow
  • Dark
  • Nearest: Black

#1F1A04 is a yellow with RGB values 31, 26, 4 and HSL 49°, 77%, 7%. It is a dark colour, so white text on it reaches 17.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1F1A04#1F1A04
HEX#1F1A04
RGBrgb(31, 26, 4)
RGB (0–1)0.1216, 0.102, 0.0157
RGB percentages12.2%, 10.2%, 1.6%
HSLhsl(48.9, 77.1%, 6.9%)
HSV / HSBhsv(48.9, 87.1%, 12.2%)
CMYK0%, 16.1%, 87.1%, 87.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,038,276
CSS custom property--colour: #1F1A04;

Brightness & contrast

Relative luminance0.01039WCAG 2.x, 0 is black and 1 is white
Perceived brightness26.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.39:1
Contrast with white17.39:1WCAG normal text: AAA
Contrast with black1.21:1WCAG normal text: Fail
Greyscale equivalent#191919
Inverted#E0E5FB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E1902no red cones; affects about 1% of men; ΔE 0.5 from the original
Deuteranopia#1F1B05no green cones; the most common form, about 1% of men; ΔE 0.7 from the original
Tritanopia#221715no blue cones; rare, and affects men and women equally; ΔE 10.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.39:1WCAG large text: AAA
Contrast with black, large text1.21:1WCAG large text: Fail

Named colours

Black · ΔE 15.4Dark slate grey · ΔE 29.1Dim grey · ΔE 37.2Dark olivegreen · ΔE 41.6Gray · ΔE 46Saddle brown · ΔE 48.8
Nearest named CSS colourBlack (#000000)ΔE 15.44, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#04091F
Analogous#1F0D04, #161F04
Triadic#041F1A, #1A041F
Split complementary#04161F, #0D041F
Tetradic#041F0D, #04091F, #1F0416

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D4B21B
Lighter +30%#A78C15
Lighter +20%#796610
Lighter +10%#4C400A
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#231D00
Less saturated −25%#1B1708

Channel breakdown

R31
G26
B4
Red31 (12.2%)
Green26 (10.2%)
Blue4 (1.6%)
Hue48.89°
Saturation (HSL)77.14%
Lightness6.86%
Dominant channelRed
Hex per channelR 1F · G 1A · B 04

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Every value on this page was computed from “1f1a04” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.