Recognised as Colour
#FF9858
- #FF9858
- Orange
- Dark
- Nearest: Sandy brown
#FF9858 is a orange with RGB values 255, 152, 88 and HSL 23°, 100%, 67%. It is a dark colour, so black text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Sandy brown.
Colour values
#FF9858#FF9858
HEX#FF9858
RGBrgb(255, 152, 88)
RGB (0–1)1, 0.5961, 0.3451
RGB percentages100%, 59.6%, 34.5%
HSLhsl(23, 100%, 67.3%)
HSV / HSBhsv(23, 65.5%, 100%)
CMYK0%, 40.4%, 65.5%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,750,680
CSS custom property--colour: #FF9858;
Brightness & contrast
Relative luminance0.44421WCAG 2.x, 0 is black and 1 is white
Perceived brightness184.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.88:1
Contrast with white2.12:1WCAG normal text: Fail
Contrast with black9.88:1WCAG normal text: AAA
Greyscale equivalent#A9A9A9
Inverted#0067A7
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.12:1WCAG large text: Fail
Contrast with black, large text9.88:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#58BFFF
Analogous#FF586C, #FFEB58
Triadic#58FF98, #9858FF
Split complementary#58FFEB, #586CFF
Tetradic#6CFF58, #58BFFF, #EB58FF
Tints, shades & saturation
Channel breakdown
R255
G152
B88
Red255 (100%)
Green152 (59.6%)
Blue88 (34.5%)
Hue22.99°
Saturation (HSL)100%
Lightness67.25%
Dominant channelRed
Hex per channelR FF · G 98 · B 58
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Harmonies
Similar named colours
Also reads as
FF9858 (chemical formula)
- Formula
- 187,301.282 g/mol
- 9859 atoms
FF9858 has a molar mass of 187,301.282 g/mol, made up of 9859 atoms across 1 element: 9859 × F.
Molar mass
Molar mass187,301.282 g/mol
Total atoms per molecule9859
Distinct elements1
Mass of one molecule3.110211 × 10^-19 g
Molecules per gram3.215216 × 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 × 9859)187,301.282 g/mol, 100%
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