Recognised as Colour
#FBB427
- #FBB427
- Orange
- Light
- Nearest: Orange
#FBB427 is a orange with RGB values 251, 180, 39 and HSL 40°, 96%, 57%. It is a light colour, so black text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Orange.
Colour values
#FBB427#FBB427
HEX#FBB427
RGBrgb(251, 180, 39)
RGB (0–1)0.9843, 0.7059, 0.1529
RGB percentages98.4%, 70.6%, 15.3%
HSLhsl(39.9, 96.4%, 56.9%)
HSV / HSBhsv(39.9, 84.5%, 98.4%)
CMYK0%, 28.3%, 84.5%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,495,655
CSS custom property--colour: #FBB427;
Brightness & contrast
Relative luminance0.53298WCAG 2.x, 0 is black and 1 is white
Perceived brightness195 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.66:1
Contrast with white1.8:1WCAG normal text: Fail
Contrast with black11.66:1WCAG normal text: AAA
Greyscale equivalent#B9B9B9
Inverted#044BD8
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.8:1WCAG large text: Fail
Contrast with black, large text11.66:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#276EFB
Analogous#FB4A27, #D8FB27
Triadic#27FBB4, #B427FB
Split complementary#27D8FB, #4A27FB
Tetradic#27FB4A, #276EFB, #FB27D8
Tints, shades & saturation
Channel breakdown
R251
G180
B39
Red251 (98.4%)
Green180 (70.6%)
Blue39 (15.3%)
Hue39.91°
Saturation (HSL)96.36%
Lightness56.86%
Dominant channelRed
Hex per channelR FB · G B4 · B 27
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Also reads as
FBB427 (chemical formula)
- Formula
- 4,645.678 g/mol
- 429 atoms
FBB427 has a molar mass of 4,645.678 g/mol, made up of 429 atoms across 2 elements: 1 × F, 428 × B.
Molar mass
Molar mass4,645.678 g/mol
Total atoms per molecule429
Distinct elements2
Mass of one molecule7.7143298 × 10^-21 g
Molecules per gram1.2962889 × 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
F0.4%
B99.6%
Fluorine (F)18.998 g/mol, 0.409%
Boron (B × 428)4,626.68 g/mol, 99.591%
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