Recognised as Colour
#AC7804
- #AC7804
- Orange
- Dark
- Nearest: Dark goldenrod
#AC7804 is a orange with RGB values 172, 120, 4 and HSL 41°, 95%, 35%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Dark goldenrod.
Colour values
#AC7804#AC7804
HEX#AC7804
RGBrgb(172, 120, 4)
RGB (0–1)0.6745, 0.4706, 0.0157
RGB percentages67.5%, 47.1%, 1.6%
HSLhsl(41.4, 95.5%, 34.5%)
HSV / HSBhsv(41.4, 97.7%, 67.5%)
CMYK0%, 30.2%, 97.7%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,302,916
CSS custom property--colour: #AC7804;
Brightness & contrast
Relative luminance0.22212WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.44:1
Contrast with white3.86:1WCAG normal text: Fail
Contrast with black5.44:1WCAG normal text: AA
Greyscale equivalent#7B7B7B
Inverted#5387FB
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.86:1WCAG large text: AA
Contrast with black, large text5.44:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0438AC
Analogous#AC2404, #8CAC04
Triadic#04AC78, #7804AC
Split complementary#048CAC, #2404AC
Tetradic#04AC24, #0438AC, #AC048C
Tints, shades & saturation
Channel breakdown
R172
G120
B4
Red172 (67.5%)
Green120 (47.1%)
Blue4 (1.6%)
Hue41.43°
Saturation (HSL)95.45%
Lightness34.51%
Dominant channelRed
Hex per channelR AC · G 78 · B 04
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Also reads as
Ac7804 (chemical formula)
- Formula
- 1,771,508 g/mol
- 7804 atoms
Ac7804 has a molar mass of 1,771,508 g/mol, made up of 7804 atoms across 1 element: 7804 × Ac.
Molar mass
Molar mass1,771,508 g/mol
Total atoms per molecule7804
Distinct elements1
Mass of one molecule2.9416582 × 10^-18 g
Molecules per gram3.3994432 × 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
Ac100%
Actinium (Ac × 7804)1,771,508 g/mol, 100%
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