Recognised as Colour
#C8B728
- #C8B728
- Yellow
- Dark
- Nearest: Goldenrod
#C8B728 is a yellow with RGB values 200, 183, 40 and HSL 54°, 67%, 47%. It is a dark colour, so black text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.
Colour values
#C8B728#C8B728
HEX#C8B728
RGBrgb(200, 183, 40)
RGB (0–1)0.7843, 0.7176, 0.1569
RGB percentages78.4%, 71.8%, 15.7%
HSLhsl(53.6, 66.7%, 47.1%)
HSV / HSBhsv(53.6, 80%, 78.4%)
CMYK0%, 8.5%, 80%, 21.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,154,088
CSS custom property--colour: #C8B728;
Brightness & contrast
Relative luminance0.463WCAG 2.x, 0 is black and 1 is white
Perceived brightness178.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.26:1
Contrast with white2.05:1WCAG normal text: Fail
Contrast with black10.26:1WCAG normal text: AAA
Greyscale equivalent#B0B0B0
Inverted#3748D7
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.05:1WCAG large text: Fail
Contrast with black, large text10.26:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2839C8
Analogous#C86728, #89C828
Triadic#28C8B7, #B728C8
Split complementary#2889C8, #6728C8
Tetradic#28C867, #2839C8, #C82889
Tints, shades & saturation
Channel breakdown
R200
G183
B40
Red200 (78.4%)
Green183 (71.8%)
Blue40 (15.7%)
Hue53.63°
Saturation (HSL)66.67%
Lightness47.06%
Dominant channelRed
Hex per channelR C8 · G B7 · B 28
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Also reads as
C8B728 (chemical formula)
- Formula
- 7,965.768 g/mol
- 736 atoms
C8B728 has a molar mass of 7,965.768 g/mol, made up of 736 atoms across 2 elements: 8 × C, 728 × B.
Molar mass
Molar mass7,965.768 g/mol
Total atoms per molecule736
Distinct elements2
Mass of one molecule1.3227469 × 10^-20 g
Molecules per gram7.5600253 × 10^19
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
C1.2%
B98.8%
Carbon (C × 8)96.088 g/mol, 1.206%
Boron (B × 728)7,869.68 g/mol, 98.794%
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