Recognised as Colour
#B7B503
- #B7B503
- Yellow
- Dark
- Nearest: Yellow green
#B7B503 is a yellow with RGB values 183, 181, 3 and HSL 59°, 97%, 36%. It is a dark colour, so black text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Yellow green.
Colour values
#B7B503#B7B503
HEX#B7B503
RGBrgb(183, 181, 3)
RGB (0–1)0.7176, 0.7098, 0.0118
RGB percentages71.8%, 71%, 1.2%
HSLhsl(59.3, 96.8%, 36.5%)
HSV / HSBhsv(59.3, 98.4%, 71.8%)
CMYK0%, 1.1%, 98.4%, 28.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,039,427
CSS custom property--colour: #B7B503;
Brightness & contrast
Relative luminance0.43122WCAG 2.x, 0 is black and 1 is white
Perceived brightness171 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.62:1
Contrast with white2.18:1WCAG normal text: Fail
Contrast with black9.62:1WCAG normal text: AAA
Greyscale equivalent#A9A9A9
Inverted#484AFC
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.18:1WCAG large text: Fail
Contrast with black, large text9.62:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0305B7
Analogous#B75B03, #5FB703
Triadic#03B7B5, #B503B7
Split complementary#035FB7, #5B03B7
Tetradic#03B75B, #0305B7, #B7035F
Tints, shades & saturation
Channel breakdown
R183
G181
B3
Red183 (71.8%)
Green181 (71%)
Blue3 (1.2%)
Hue59.33°
Saturation (HSL)96.77%
Lightness36.47%
Dominant channelRed
Hex per channelR B7 · G B5 · B 03
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Also reads as
B7B503 (chemical formula)
- Formula
- 5,513.1 g/mol
- 510 atoms
B7B503 has a molar mass of 5,513.1 g/mol, made up of 510 atoms across 1 element: 510 × B.
Molar mass
Molar mass5,513.1 g/mol
Total atoms per molecule510
Distinct elements1
Mass of one molecule9.1547179 × 10^-21 g
Molecules per gram1.0923329 × 10^20
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
B100%
Boron (B × 510)5,513.1 g/mol, 100%
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