Recognised as Colour
#FF6704
- #FF6704
- Orange
- Dark
- Nearest: Orange red
#FF6704 is a orange with RGB values 255, 103, 4 and HSL 24°, 100%, 51%. It is a dark colour, so black text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Orange red.
Colour values
#FF6704#FF6704
HEX#FF6704
RGBrgb(255, 103, 4)
RGB (0–1)1, 0.4039, 0.0157
RGB percentages100%, 40.4%, 1.6%
HSLhsl(23.7, 100%, 50.8%)
HSV / HSBhsv(23.7, 98.4%, 100%)
CMYK0%, 59.6%, 98.4%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,738,052
CSS custom property--colour: #FF6704;
Brightness & contrast
Relative luminance0.30969WCAG 2.x, 0 is black and 1 is white
Perceived brightness160.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.19:1
Contrast with white2.92:1WCAG normal text: Fail
Contrast with black7.19:1WCAG normal text: AAA
Greyscale equivalent#808080
Inverted#0098FB
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.92:1WCAG large text: Fail
Contrast with black, large text7.19:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#049CFF
Analogous#FF041F, #FFE504
Triadic#04FF67, #6704FF
Split complementary#04FFE5, #041EFF
Tetradic#1EFF04, #049CFF, #E504FF
Tints, shades & saturation
Channel breakdown
R255
G103
B4
Red255 (100%)
Green103 (40.4%)
Blue4 (1.6%)
Hue23.67°
Saturation (HSL)100%
Lightness50.78%
Dominant channelRed
Hex per channelR FF · G 67 · B 04
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Harmonies
Similar named colours
Also reads as
FF6704 (chemical formula)
- Formula
- 127,381.59 g/mol
- 6705 atoms
FF6704 has a molar mass of 127,381.59 g/mol, made up of 6705 atoms across 1 element: 6705 × F.
Molar mass
Molar mass127,381.59 g/mol
Total atoms per molecule6705
Distinct elements1
Mass of one molecule2.1152211 × 10^-19 g
Molecules per gram4.7276382 × 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 × 6705)127,381.59 g/mol, 100%
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