Recognised as Colour
#B33205
- #B33205
- Orange
- Dark
- Nearest: Firebrick
#B33205 is a orange with RGB values 179, 50, 5 and HSL 16°, 95%, 36%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Firebrick.
Colour values
#B33205#B33205
HEX#B33205
RGBrgb(179, 50, 5)
RGB (0–1)0.702, 0.1961, 0.0196
RGB percentages70.2%, 19.6%, 2%
HSLhsl(15.5, 94.6%, 36.1%)
HSV / HSBhsv(15.5, 97.2%, 70.2%)
CMYK0%, 72.1%, 97.2%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,743,749
CSS custom property--colour: #B33205;
Brightness & contrast
Relative luminance0.11876WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.22:1
Contrast with white6.22:1WCAG normal text: AA
Contrast with black3.38:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#4CCDFA
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.22:1WCAG large text: AAA
Contrast with black, large text3.38:1WCAG large text: AA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0586B3
Analogous#B3052F, #B38905
Triadic#05B332, #3205B3
Split complementary#05B389, #052FB3
Tetradic#2FB305, #0586B3, #8905B3
Tints, shades & saturation
Channel breakdown
R179
G50
B5
Red179 (70.2%)
Green50 (19.6%)
Blue5 (2%)
Hue15.52°
Saturation (HSL)94.57%
Lightness36.08%
Dominant channelRed
Hex per channelR B3 · G 32 · B 05
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Also reads as
B33205 (chemical formula)
- Formula
- 358,946.05 g/mol
- 33205 atoms
B33205 has a molar mass of 358,946.05 g/mol, made up of 33205 atoms across 1 element: 33205 × B.
Molar mass
Molar mass358,946.05 g/mol
Total atoms per molecule33205
Distinct elements1
Mass of one molecule5.9604394 × 10^-19 g
Molecules per gram1.6777287 × 10^18
Name
NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show
Composition by mass
B100%
Boron (B × 33205)358,946.05 g/mol, 100%
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