Nerdulator> put something in

Recognised as Colour

#A43604

  • #A43604
  • Orange
  • Dark
  • Nearest: Dark red

#A43604 is a orange with RGB values 164, 54, 4 and HSL 19°, 95%, 33%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Dark red.

Colour values

#A43604#A43604
HEX#A43604
RGBrgb(164, 54, 4)
RGB (0–1)0.6431, 0.2118, 0.0157
RGB percentages64.3%, 21.2%, 1.6%
HSLhsl(18.8, 95.2%, 32.9%)
HSV / HSBhsv(18.8, 97.6%, 64.3%)
CMYK0%, 67.1%, 97.6%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,761,732
CSS custom property--colour: #A43604;

Brightness & contrast

Relative luminance0.1054WCAG 2.x, 0 is black and 1 is white
Perceived brightness98.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.76:1
Contrast with white6.76:1WCAG normal text: AA
Contrast with black3.11:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#5BC9FB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#574C00no red cones; affects about 1% of men; ΔE 48.1 from the original
Deuteranopia#726500no green cones; the most common form, about 1% of men; ΔE 48.3 from the original
Tritanopia#B5112Eno blue cones; rare, and affects men and women equally; ΔE 25.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.76:1WCAG large text: AAA
Contrast with black, large text3.11:1WCAG large text: AA

Named colours

Dark red · ΔE 15.2Firebrick · ΔE 16.8Maroon · ΔE 17.8Saddle brown · ΔE 19Brown · ΔE 19.6Chocolate · ΔE 19.9
Nearest named CSS colourDark red (#8B0000)ΔE 15.18, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0472A4
Analogous#A40422, #A48604
Triadic#04A436, #3604A4
Split complementary#04A486, #0422A4
Tetradic#22A404, #0472A4, #8604A4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FCA178
Lighter +30%#FB7F47
Lighter +20%#F95C15
Lighter +10%#D64605
Darker −10%#722603
Darker −20%#401502
Darker −30%#0F0500
Darker −40%#000000
More saturated +25%#A83500
Less saturated −25%#8F3E19

Channel breakdown

R164
G54
B4
Red164 (64.3%)
Green54 (21.2%)
Blue4 (1.6%)
Hue18.75°
Saturation (HSL)95.24%
Lightness32.94%
Dominant channelRed
Hex per channelR A4 · G 36 · B 04

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 “a43604” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.