Recognised as Colour
#F28923
- #F28923
- Orange
- Dark
- Nearest: Dark orange
#F28923 is a orange with RGB values 242, 137, 35 and HSL 30°, 89%, 54%. It is a dark colour, so black text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark orange.
Colour values
#F28923#F28923
HEX#F28923
RGBrgb(242, 137, 35)
RGB (0–1)0.949, 0.5373, 0.1373
RGB percentages94.9%, 53.7%, 13.7%
HSLhsl(29.6, 88.8%, 54.3%)
HSV / HSBhsv(29.6, 85.5%, 94.9%)
CMYK0%, 43.4%, 85.5%, 5.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,894,819
CSS custom property--colour: #F28923;
Brightness & contrast
Relative luminance0.3689WCAG 2.x, 0 is black and 1 is white
Perceived brightness169.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.38:1
Contrast with white2.51:1WCAG normal text: Fail
Contrast with black8.38:1WCAG normal text: AAA
Greyscale equivalent#989898
Inverted#0D76DC
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.51:1WCAG large text: Fail
Contrast with black, large text8.38:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#238CF2
Analogous#F22324, #F2F123
Triadic#23F289, #8923F2
Split complementary#23F2F1, #2324F2
Tetradic#24F223, #238CF2, #F123F2
Tints, shades & saturation
Channel breakdown
R242
G137
B35
Red242 (94.9%)
Green137 (53.7%)
Blue35 (13.7%)
Hue29.57°
Saturation (HSL)88.84%
Lightness54.31%
Dominant channelRed
Hex per channelR F2 · G 89 · B 23
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Also reads as
F28923 (chemical formula)
- Formula
- 549,479.154 g/mol
- 28923 atoms
F28923 has a molar mass of 549,479.154 g/mol, made up of 28923 atoms across 1 element: 28923 × F.
Molar mass
Molar mass549,479.154 g/mol
Total atoms per molecule28923
Distinct elements1
Mass of one molecule9.124316 × 10^-19 g
Molecules per gram1.0959726 × 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 × 28923)549,479.154 g/mol, 100%
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