Nerdulator> put something in

Recognised as Colour

#AC513A

  • #AC513A
  • Red
  • Dark
  • Nearest: Sienna

#AC513A is a red with RGB values 172, 81, 58 and HSL 12°, 50%, 45%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#AC513A#AC513A
HEX#AC513A
RGBrgb(172, 81, 58)
RGB (0–1)0.6745, 0.3176, 0.2275
RGB percentages67.5%, 31.8%, 22.7%
HSLhsl(12.1, 49.6%, 45.1%)
HSV / HSBhsv(12.1, 66.3%, 67.5%)
CMYK0%, 52.9%, 66.3%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,292,986
CSS custom property--colour: #AC513A;

Brightness & contrast

Relative luminance0.14961WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.26:1
Contrast with white5.26:1WCAG normal text: AA
Contrast with black3.99:1WCAG normal text: Fail
Greyscale equivalent#636363
Inverted#53AEC5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#696038no red cones; affects about 1% of men; ΔE 39 from the original
Deuteranopia#7F7338no green cones; the most common form, about 1% of men; ΔE 39.3 from the original
Tritanopia#BC404Cno blue cones; rare, and affects men and women equally; ΔE 18.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.26:1WCAG large text: AAA
Contrast with black, large text3.99:1WCAG large text: AA

Named colours

Sienna · ΔE 8Indian red · ΔE 15Saddle brown · ΔE 15.8Brown · ΔE 16.3Firebrick · ΔE 22.5Salmon · ΔE 23.8
Nearest named CSS colourSienna (#A0522D)ΔE 7.95, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3A95AC
Analogous#AC3A5C, #AC8A3A
Triadic#3AAC51, #513AAC
Split complementary#3AAC8A, #3A5CAC
Tetradic#5CAC3A, #3A95AC, #8A3AAC

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ECCEC6
Lighter +30%#DFADA0
Lighter +20%#D28C7A
Lighter +10%#C56B54
Darker −10%#863F2D
Darker −20%#602D20
Darker −30%#3A1B13
Darker −40%#130907
More saturated +25%#C9401D
Less saturated −25%#8F6257

Channel breakdown

R172
G81
B58
Red172 (67.5%)
Green81 (31.8%)
Blue58 (22.7%)
Hue12.11°
Saturation (HSL)49.57%
Lightness45.1%
Dominant channelRed
Hex per channelR AC · G 51 · B 3A

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 “ac513a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.