Recognised as Colour
#FF5802
- #FF5802
- Orange
- Dark
- Nearest: Orange red
#FF5802 is a orange with RGB values 255, 88, 2 and HSL 20°, 100%, 50%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Orange red.
Colour values
#FF5802#FF5802
HEX#FF5802
RGBrgb(255, 88, 2)
RGB (0–1)1, 0.3451, 0.0078
RGB percentages100%, 34.5%, 0.8%
HSLhsl(20.4, 100%, 50.4%)
HSV / HSBhsv(20.4, 99.2%, 100%)
CMYK0%, 65.5%, 99.2%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,734,210
CSS custom property--colour: #FF5802;
Brightness & contrast
Relative luminance0.28244WCAG 2.x, 0 is black and 1 is white
Perceived brightness154.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.65:1
Contrast with white3.16:1WCAG normal text: Fail
Contrast with black6.65:1WCAG normal text: AA
Greyscale equivalent#757575
Inverted#00A7FD
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.16:1WCAG large text: AA
Contrast with black, large text6.65:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#02A9FF
Analogous#FF022B, #FFD702
Triadic#02FF58, #5802FF
Split complementary#02FFD6, #022BFF
Tetradic#2AFF02, #02A9FF, #D602FF
Tints, shades & saturation
Channel breakdown
R255
G88
B2
Red255 (100%)
Green88 (34.5%)
Blue2 (0.8%)
Hue20.4°
Saturation (HSL)100%
Lightness50.39%
Dominant channelRed
Hex per channelR FF · G 58 · B 02
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Harmonies
Similar named colours
Also reads as
FF5802 (chemical formula)
- Formula
- 110,245.394 g/mol
- 5803 atoms
FF5802 has a molar mass of 110,245.394 g/mol, made up of 5803 atoms across 1 element: 5803 × F.
Molar mass
Molar mass110,245.394 g/mol
Total atoms per molecule5803
Distinct elements1
Mass of one molecule1.8306678 × 10^-19 g
Molecules per gram5.4624874 × 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 × 5803)110,245.394 g/mol, 100%
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