Recognised as Colour
#F19003
- #F19003
- Orange
- Dark
- Nearest: Dark orange
#F19003 is a orange with RGB values 241, 144, 3 and HSL 36°, 98%, 48%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark orange.
Colour values
#F19003#F19003
HEX#F19003
RGBrgb(241, 144, 3)
RGB (0–1)0.9451, 0.5647, 0.0118
RGB percentages94.5%, 56.5%, 1.2%
HSLhsl(35.5, 97.5%, 47.8%)
HSV / HSBhsv(35.5, 98.8%, 94.5%)
CMYK0%, 40.2%, 98.8%, 5.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,831,043
CSS custom property--colour: #F19003;
Brightness & contrast
Relative luminance0.38654WCAG 2.x, 0 is black and 1 is white
Perceived brightness171.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.73:1
Contrast with white2.41:1WCAG normal text: Fail
Contrast with black8.73:1WCAG normal text: AAA
Greyscale equivalent#9A9A9A
Inverted#0E6FFC
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.41:1WCAG large text: Fail
Contrast with black, large text8.73:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0364F1
Analogous#F11903, #DBF103
Triadic#03F190, #9003F1
Split complementary#03DBF1, #1903F1
Tetradic#03F119, #0364F1, #F103DB
Tints, shades & saturation
Channel breakdown
R241
G144
B3
Red241 (94.5%)
Green144 (56.5%)
Blue3 (1.2%)
Hue35.55°
Saturation (HSL)97.54%
Lightness47.84%
Dominant channelRed
Hex per channelR F1 · G 90 · B 03
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Also reads as
F19003 (chemical formula)
- Formula
- 361,018.994 g/mol
- 19003 atoms
F19003 has a molar mass of 361,018.994 g/mol, made up of 19003 atoms across 1 element: 19003 × F.
Molar mass
Molar mass361,018.994 g/mol
Total atoms per molecule19003
Distinct elements1
Mass of one molecule5.9948614 × 10^-19 g
Molecules per gram1.6680953 × 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 × 19003)361,018.994 g/mol, 100%
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