Recognised as Colour
#BCB200
- #BCB200
- Yellow
- Dark
- Nearest: Goldenrod
#BCB200 is a yellow with RGB values 188, 178, 0 and HSL 57°, 100%, 37%. It is a dark colour, so black text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.
Colour values
#BCB200#BCB200
HEX#BCB200
RGBrgb(188, 178, 0)
RGB (0–1)0.7373, 0.698, 0
RGB percentages73.7%, 69.8%, 0%
HSLhsl(56.8, 100%, 36.9%)
HSV / HSBhsv(56.8, 100%, 73.7%)
CMYK0%, 5.3%, 100%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,366,336
CSS custom property--colour: #BCB200;
Brightness & contrast
Relative luminance0.42532WCAG 2.x, 0 is black and 1 is white
Perceived brightness170.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.51:1
Contrast with white2.21:1WCAG normal text: Fail
Contrast with black9.51:1WCAG normal text: AAA
Greyscale equivalent#A7A7A7
Inverted#434DFF
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.21:1WCAG large text: Fail
Contrast with black, large text9.51:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#000ABC
Analogous#BC5400, #68BC00
Triadic#00BCB2, #B200BC
Split complementary#0068BC, #5400BC
Tetradic#00BC54, #000ABC, #BC0068
Tints, shades & saturation
Channel breakdown
R188
G178
B0
Red188 (73.7%)
Green178 (69.8%)
Blue0 (0%)
Hue56.81°
Saturation (HSL)100%
Lightness36.86%
Dominant channelRed
Hex per channelR BC · G B2 · B 00
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Also reads as
BCB200 (chemical formula)
- Formula
- 2,184.821 g/mol
- 202 atoms
BCB200 has a molar mass of 2,184.821 g/mol, made up of 202 atoms across 2 elements: 201 × B, 1 × C.
Molar mass
Molar mass2,184.821 g/mol
Total atoms per molecule202
Distinct elements2
Mass of one molecule3.6279806 × 10^-21 g
Molecules per gram2.7563543 × 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
B99.5%
C0.5%
Boron (B × 201)2,172.81 g/mol, 99.45%
Carbon (C)12.011 g/mol, 0.55%
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