Recognised as Decimal number
228
- Positive
- Decimal
- 0 d.p.
- Exact fraction
- 3 s.f.
228 is a decimal number equal to 228⁄1. It lies between 228 and 228, and as a percentage it is 22,800%.
Number properties
Fractions & ratios
Arithmetic
Representations
Decimal228
Scientific notation2.28 × 10^2
Exponential2.28e+2
IEEE 754 binary64 (hex)0x406C800000000000the exact 64-bit pattern stored
IEEE 754 binary32 (hex)0x4364000032-bit single precision, may lose accuracy
Rounding & precision
Significant figures as written3counted from the digits as typed, not from the value
To 0 decimal places228
To 1 decimal place228.0
To 2 decimal places228.00
To 3 decimal places228.000
To 4 decimal places228.0000
To 1 significant figure2e+2
To 2 significant figures2.3e+2
To 3 significant figures228
To 4 significant figures228.0
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Also reads as
#228E00 (colour)
- #228E00
- Green
- Dark
- Nearest: Green
#228E00 is a green with RGB values 34, 142, 0 and HSL 106°, 100%, 28%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Green.
Colour values
#228E00#228E00
HEX#228E00
RGBrgb(34, 142, 0)
RGB (0–1)0.1333, 0.5569, 0
RGB percentages13.3%, 55.7%, 0%
HSLhsl(105.6, 100%, 27.8%)
HSV / HSBhsv(105.6, 100%, 55.7%)
CMYK76.1%, 0%, 100%, 44.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,264,576
CSS custom property--colour: #228E00;
Brightness & contrast
Relative luminance0.19686WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.94:1
Contrast with white4.25:1WCAG normal text: Fail
Contrast with black4.94:1WCAG normal text: AA
Greyscale equivalent#6D6D6D
Inverted#DD71FF
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.25:1WCAG large text: AA
Contrast with black, large text4.94:1WCAG large text: AAA
Named colours
Hue familygreen
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#6C008E
Analogous#698E00, #008E25
Triadic#00228E, #8E0022
Split complementary#25008E, #8E0069
Tetradic#00698E, #6C008E, #8E2500
Tints, shades & saturation
Channel breakdown
R34
G142
B0
Red34 (13.3%)
Green142 (55.7%)
Blue0 (0%)
Hue105.63°
Saturation (HSL)100%
Lightness27.84%
Dominant channelGreen
Hex per channelR 22 · G 8E · B 00
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Harmonies
Similar named colours
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