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Colour

#1BB31C

  • #1BB31C
  • Green
  • Dark
  • Nearest: Limegreen

#1BB31C is a green with RGB values 27, 179, 28 and HSL 120°, 74%, 40%. It is a dark colour, so black text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#1BB31C#1BB31C
HEX#1BB31C
RGBrgb(27, 179, 28)
RGB (0–1)0.1059, 0.702, 0.1098
RGB percentages10.6%, 70.2%, 11%
HSLhsl(120.4, 73.8%, 40.4%)
HSV / HSBhsv(120.4, 84.9%, 70.2%)
CMYK84.9%, 0%, 84.4%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,815,324
CSS custom property--colour: #1BB31C;

Brightness & contrast

Relative luminance0.32557WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.51:1
Contrast with white2.8:1WCAG normal text: Fail
Contrast with black7.51:1WCAG normal text: AAA
Greyscale equivalent#888888
Inverted#E44CE3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B7A100no red cones; affects about 1% of men; ΔE 58.9 from the original
Deuteranopia#A89631no green cones; the most common form, about 1% of men; ΔE 58.9 from the original
Tritanopia#00AD98no blue cones; rare, and affects men and women equally; ΔE 62.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.8:1WCAG large text: Fail
Contrast with black, large text7.51:1WCAG large text: AAA

Named colours

Limegreen · ΔE 9.7Green · ΔE 23.2Forest green · ΔE 24Yellow green · ΔE 29.4Spring green · ΔE 30.7Lawn green · ΔE 36.1
Nearest named CSS colourLimegreen (#32CD32)ΔE 9.75, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B31BB2
Analogous#66B31B, #1BB368
Triadic#1C1BB3, #B31C1B
Split complementary#681BB3, #B31B66
Tetradic#1B66B3, #B31BB2, #B3681B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A8F2A9
Lighter +30%#7CEB7D
Lighter +20%#4FE550
Lighter +10%#23DE24
Darker −10%#148715
Darker −20%#0E5A0E
Darker −30%#072E07
Darker −40%#000200
More saturated +25%#01CD03
Less saturated −25%#359935

Channel breakdown

R27
G179
B28
Red27 (10.6%)
Green179 (70.2%)
Blue28 (11%)
Hue120.39°
Saturation (HSL)73.79%
Lightness40.39%
Dominant channelGreen
Hex per channelR 1B · G B3 · B 1C

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Every value on this page was computed from “1bb31c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.