Recognised as Colour
#FF5302
- #FF5302
- Orange
- Dark
- Nearest: Orange red
#FF5302 is a orange with RGB values 255, 83, 2 and HSL 19°, 100%, 50%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Orange red.
Colour values
#FF5302#FF5302
HEX#FF5302
RGBrgb(255, 83, 2)
RGB (0–1)1, 0.3255, 0.0078
RGB percentages100%, 32.5%, 0.8%
HSLhsl(19.2, 100%, 50.4%)
HSV / HSBhsv(19.2, 99.2%, 100%)
CMYK0%, 67.5%, 99.2%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,732,930
CSS custom property--colour: #FF5302;
Brightness & contrast
Relative luminance0.27451WCAG 2.x, 0 is black and 1 is white
Perceived brightness153.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.49:1
Contrast with white3.24:1WCAG normal text: Fail
Contrast with black6.49:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#00ACFD
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.24:1WCAG large text: AA
Contrast with black, large text6.49:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#02AEFF
Analogous#FF0230, #FFD102
Triadic#02FF53, #5302FF
Split complementary#02FFD1, #0230FF
Tetradic#30FF02, #02AEFF, #D102FF
Tints, shades & saturation
Channel breakdown
R255
G83
B2
Red255 (100%)
Green83 (32.5%)
Blue2 (0.8%)
Hue19.21°
Saturation (HSL)100%
Lightness50.39%
Dominant channelRed
Hex per channelR FF · G 53 · B 02
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Harmonies
Similar named colours
Also reads as
FF5302 (chemical formula)
- Formula
- 100,746.394 g/mol
- 5303 atoms
FF5302 has a molar mass of 100,746.394 g/mol, made up of 5303 atoms across 1 element: 5303 × F.
Molar mass
Molar mass100,746.394 g/mol
Total atoms per molecule5303
Distinct elements1
Mass of one molecule1.6729332 × 10^-19 g
Molecules per gram5.9775249 × 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 × 5303)100,746.394 g/mol, 100%
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