Recognised as Colour
#CFB40C
- #CFB40C
- Yellow
- Dark
- Nearest: Goldenrod
#CFB40C is a yellow with RGB values 207, 180, 12 and HSL 52°, 89%, 43%. It is a dark colour, so black text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.
Colour values
#CFB40C#CFB40C
HEX#CFB40C
RGBrgb(207, 180, 12)
RGB (0–1)0.8118, 0.7059, 0.0471
RGB percentages81.2%, 70.6%, 4.7%
HSLhsl(51.7, 89%, 42.9%)
HSV / HSBhsv(51.7, 94.2%, 81.2%)
CMYK0%, 13%, 94.2%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,612,044
CSS custom property--colour: #CFB40C;
Brightness & contrast
Relative luminance0.45934WCAG 2.x, 0 is black and 1 is white
Perceived brightness178.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.19:1
Contrast with white2.06:1WCAG normal text: Fail
Contrast with black10.19:1WCAG normal text: AAA
Greyscale equivalent#AEAEAE
Inverted#304BF3
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.06:1WCAG large text: Fail
Contrast with black, large text10.19:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0C27CF
Analogous#CF520C, #88CF0C
Triadic#0CCFB4, #B40CCF
Split complementary#0C88CF, #520CCF
Tetradic#0CCF53, #0C27CF, #CF0C89
Tints, shades & saturation
Channel breakdown
R207
G180
B12
Red207 (81.2%)
Green180 (70.6%)
Blue12 (4.7%)
Hue51.69°
Saturation (HSL)89.04%
Lightness42.94%
Dominant channelRed
Hex per channelR CF · G B4 · B 0C
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Also reads as
CFB40C (chemical formula)
- Formula
- 475.42 g/mol
- 43 atoms
CFB40C has a molar mass of 475.42 g/mol, made up of 43 atoms across 3 elements: 2 × C, 1 × F, 40 × B.
Molar mass
Molar mass475.42 g/mol
Total atoms per molecule43
Distinct elements3
Mass of one molecule7.8945348 × 10^-22 g
Molecules per gram1.2666991 × 10^21
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
C5.1%
F4%
B91%
Carbon (C × 2)24.022 g/mol, 5.053%
Fluorine (F)18.998 g/mol, 3.996%
Boron (B × 40)432.4 g/mol, 90.951%
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