Decimal number
997
- Positive
- Decimal
- 0 d.p.
- Exact fraction
997 is a decimal number equal to 997⁄1. It lies between 997 and 997, and as a percentage it is 99,700%.
Number properties
Fractions & ratios
Arithmetic
Representations
Decimal997
Scientific notation9.97 × 10^2
Exponential9.97e+2
IEEE 754 binary64 (hex)0x408F280000000000the exact 64-bit pattern stored
IEEE 754 binary32 (hex)0x4479400032-bit single precision, may lose accuracy
Rounding
To 0 decimal places997
To 1 decimal place997.0
To 2 decimal places997.00
To 3 decimal places997.000
To 4 decimal places997.0000
To 1 significant figure1000
To 2 significant figures1000
To 3 significant figures997
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Also reads as
#997E00 (colour)
- #997E00
- Yellow
- Dark
- Nearest: Dark goldenrod
#997E00 is a yellow with RGB values 153, 126, 0 and HSL 49°, 100%, 30%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Dark goldenrod.
Colour values
#997E00#997E00
HEX#997E00
RGBrgb(153, 126, 0)
RGB (0–1)0.6, 0.4941, 0
RGB percentages60%, 49.4%, 0%
HSLhsl(49.4, 100%, 30%)
HSV / HSBhsv(49.4, 100%, 60%)
CMYK0%, 17.6%, 100%, 40%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,059,264
CSS custom property--colour: #997E00;
Brightness & contrast
Relative luminance0.21694WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.34:1
Contrast with white3.93:1WCAG normal text: Fail
Contrast with black5.34:1WCAG normal text: AA
Greyscale equivalent#7B7B7B
Inverted#6681FF
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.93:1WCAG large text: AA
Contrast with black, large text5.34:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#001B99
Analogous#993200, #689900
Triadic#00997E, #7E0099
Split complementary#006899, #320099
Tetradic#009931, #001B99, #990067
Tints, shades & saturation
Channel breakdown
R153
G126
B0
Red153 (60%)
Green126 (49.4%)
Blue0 (0%)
Hue49.41°
Saturation (HSL)100%
Lightness30%
Dominant channelRed
Hex per channelR 99 · G 7E · B 00
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