Recognised as Colour
#BFB151
- #BFB151
- Yellow
- Dark
- Nearest: Dark khaki
#BFB151 is a yellow with RGB values 191, 177, 81 and HSL 52°, 46%, 53%. It is a dark colour, so black text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Dark khaki.
Colour values
#BFB151#BFB151
HEX#BFB151
RGBrgb(191, 177, 81)
RGB (0–1)0.749, 0.6941, 0.3176
RGB percentages74.9%, 69.4%, 31.8%
HSLhsl(52.4, 46.2%, 53.3%)
HSV / HSBhsv(52.4, 57.6%, 74.9%)
CMYK0%, 7.3%, 57.6%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,562,769
CSS custom property--colour: #BFB151;
Brightness & contrast
Relative luminance0.43115WCAG 2.x, 0 is black and 1 is white
Perceived brightness173.3 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#ADADAD
Inverted#404EAE
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#515FBF
Analogous#BF7A51, #96BF51
Triadic#51BFB1, #B151BF
Split complementary#5196BF, #7A51BF
Tetradic#51BF7A, #515FBF, #BF5196
Tints, shades & saturation
Channel breakdown
R191
G177
B81
Red191 (74.9%)
Green177 (69.4%)
Blue81 (31.8%)
Hue52.36°
Saturation (HSL)46.22%
Lightness53.33%
Dominant channelRed
Hex per channelR BF · G B1 · B 51
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Also reads as
BFB151 (chemical formula)
- Formula
- 1,662.118 g/mol
- 153 atoms
BFB151 has a molar mass of 1,662.118 g/mol, made up of 153 atoms across 2 elements: 152 × B, 1 × F.
Molar mass
Molar mass1,662.118 g/mol
Total atoms per molecule153
Distinct elements2
Mass of one molecule2.7600119 × 10^-21 g
Molecules per gram3.6231728 × 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
B98.9%
F1.1%
Boron (B × 152)1,643.12 g/mol, 98.857%
Fluorine (F)18.998 g/mol, 1.143%
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Nerdulate something else
Nothing in mind? Surprise me · today’s page