Recognised as Colour
#FF9013
- #FF9013
- Orange
- Dark
- Nearest: Dark orange
#FF9013 is a orange with RGB values 255, 144, 19 and HSL 32°, 100%, 54%. It is a dark colour, so black text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Dark orange.
Colour values
#FF9013#FF9013
HEX#FF9013
RGBrgb(255, 144, 19)
RGB (0–1)1, 0.5647, 0.0745
RGB percentages100%, 56.5%, 7.5%
HSLhsl(31.8, 100%, 53.7%)
HSV / HSBhsv(31.8, 92.5%, 100%)
CMYK0%, 43.5%, 92.5%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,748,563
CSS custom property--colour: #FF9013;
Brightness & contrast
Relative luminance0.41254WCAG 2.x, 0 is black and 1 is white
Perceived brightness177.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.25:1
Contrast with white2.27:1WCAG normal text: Fail
Contrast with black9.25:1WCAG normal text: AAA
Greyscale equivalent#9F9F9F
Inverted#006FEC
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.27:1WCAG large text: Fail
Contrast with black, large text9.25:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1382FF
Analogous#FF1A13, #F8FF13
Triadic#13FF90, #9013FF
Split complementary#13F8FF, #1A13FF
Tetradic#13FF1A, #1382FF, #FF13F8
Tints, shades & saturation
Channel breakdown
R255
G144
B19
Red255 (100%)
Green144 (56.5%)
Blue19 (7.5%)
Hue31.78°
Saturation (HSL)100%
Lightness53.73%
Dominant channelRed
Hex per channelR FF · G 90 · B 13
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Also reads as
FF9013 (chemical formula)
- Formula
- 171,247.972 g/mol
- 9014 atoms
FF9013 has a molar mass of 171,247.972 g/mol, made up of 9014 atoms across 1 element: 9014 × F.
Molar mass
Molar mass171,247.972 g/mol
Total atoms per molecule9014
Distinct elements1
Mass of one molecule2.8436395 × 10^-19 g
Molecules per gram3.5166202 × 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
F100%
Fluorine (F × 9014)171,247.972 g/mol, 100%
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