Recognised as Colour
#C56138
- #C56138
- Orange
- Dark
- Nearest: Sienna
#C56138 is a orange with RGB values 197, 97, 56 and HSL 17°, 56%, 50%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Sienna.
Colour values
#C56138#C56138
HEX#C56138
RGBrgb(197, 97, 56)
RGB (0–1)0.7725, 0.3804, 0.2196
RGB percentages77.3%, 38%, 22%
HSLhsl(17.4, 55.7%, 49.6%)
HSV / HSBhsv(17.4, 71.6%, 77.3%)
CMYK0%, 50.8%, 71.6%, 22.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,935,480
CSS custom property--colour: #C56138;
Brightness & contrast
Relative luminance0.20705WCAG 2.x, 0 is black and 1 is white
Perceived brightness132.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.14:1
Contrast with white4.08:1WCAG normal text: Fail
Contrast with black5.14:1WCAG normal text: AA
Greyscale equivalent#737373
Inverted#3A9EC7
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.08:1WCAG large text: AA
Contrast with black, large text5.14:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#389CC5
Analogous#C53856, #C5A738
Triadic#38C561, #6138C5
Split complementary#38C5A8, #3855C5
Tetradic#56C538, #389CC5, #A738C5
Tints, shades & saturation
Channel breakdown
R197
G97
B56
Red197 (77.3%)
Green97 (38%)
Blue56 (22%)
Hue17.45°
Saturation (HSL)55.73%
Lightness49.61%
Dominant channelRed
Hex per channelR C5 · G 61 · B 38
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Also reads as
C56138 (chemical formula)
- Formula
- 674,273.518 g/mol
- 56138 atoms
C56138 has a molar mass of 674,273.518 g/mol, made up of 56138 atoms across 1 element: 56138 × C.
Molar mass
Molar mass674,273.518 g/mol
Total atoms per molecule56138
Distinct elements1
Mass of one molecule1.1196575 × 10^-18 g
Molecules per gram8.9313025 × 10^17
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
C100%
Carbon (C × 56138)674,273.518 g/mol, 100%
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Elements in this formula
Nerdulate something else
Nothing in mind? Surprise me · today’s page