Recognised as Colour
#F87800
- #F87800
- Orange
- Dark
- Nearest: Dark orange
#F87800 is a orange with RGB values 248, 120, 0 and HSL 29°, 100%, 49%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Dark orange.
Colour values
#F87800#F87800
HEX#F87800
RGBrgb(248, 120, 0)
RGB (0–1)0.9725, 0.4706, 0
RGB percentages97.3%, 47.1%, 0%
HSLhsl(29, 100%, 48.6%)
HSV / HSBhsv(29, 100%, 97.3%)
CMYK0%, 51.6%, 100%, 2.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,283,648
CSS custom property--colour: #F87800;
Brightness & contrast
Relative luminance0.33389WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.68:1
Contrast with white2.74:1WCAG normal text: Fail
Contrast with black7.68:1WCAG normal text: AAA
Greyscale equivalent#8B8B8B
Inverted#0787FF
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.74:1WCAG large text: Fail
Contrast with black, large text7.68:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0080F8
Analogous#F80004, #F8F400
Triadic#00F878, #7800F8
Split complementary#00F8F4, #0004F8
Tetradic#04F800, #0080F8, #F400F8
Tints, shades & saturation
Channel breakdown
R248
G120
B0
Red248 (97.3%)
Green120 (47.1%)
Blue0 (0%)
Hue29.03°
Saturation (HSL)100%
Lightness48.63%
Dominant channelRed
Hex per channelR F8 · G 78 · B 00
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Also reads as
F87800 (chemical formula)
- Formula
- 1,668,024.4 g/mol
- 87800 atoms
F87800 has a molar mass of 1,668,024.4 g/mol, made up of 87800 atoms across 1 element: 87800 × F.
Molar mass
Molar mass1,668,024.4 g/mol
Total atoms per molecule87800
Distinct elements1
Mass of one molecule2.7698197 × 10^-18 g
Molecules per gram3.6103433 × 10^17
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 × 87800)1,668,024.4 g/mol, 100%
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