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Colour

#18C500

  • #18C500
  • Green
  • Dark
  • Nearest: Limegreen

#18C500 is a green with RGB values 24, 197, 0 and HSL 113°, 100%, 39%. It is a dark colour, so black text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#18C500#18C500
HEX#18C500
RGBrgb(24, 197, 0)
RGB (0–1)0.0941, 0.7725, 0
RGB percentages9.4%, 77.3%, 0%
HSLhsl(112.7, 100%, 38.6%)
HSV / HSBhsv(112.7, 100%, 77.3%)
CMYK87.8%, 0%, 100%, 22.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,623,296
CSS custom property--colour: #18C500;

Brightness & contrast

Relative luminance0.40127WCAG 2.x, 0 is black and 1 is white
Perceived brightness151.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.03:1
Contrast with white2.33:1WCAG normal text: Fail
Contrast with black9.03:1WCAG normal text: AAA
Greyscale equivalent#929292
Inverted#E73AFF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CAB100no red cones; affects about 1% of men; ΔE 64.7 from the original
Deuteranopia#B9A52Bno green cones; the most common form, about 1% of men; ΔE 64.5 from the original
Tritanopia#00BFA7no blue cones; rare, and affects men and women equally; ΔE 72 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.33:1WCAG large text: Fail
Contrast with black, large text9.03:1WCAG large text: AAA

Named colours

Limegreen · ΔE 8.3Lawn green · ΔE 25.3Chartreuse · ΔE 26.6Lime · ΔE 28.5Spring green · ΔE 29.6Green yellow · ΔE 31.2
Nearest named CSS colourLimegreen (#32CD32)ΔE 8.26, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AD00C5
Analogous#7BC500, #00C54A
Triadic#0018C5, #C50018
Split complementary#4A00C5, #C5007B
Tetradic#007BC5, #AD00C5, #C54A00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9FFF92
Lighter +30%#72FF5F
Lighter +20%#46FF2C
Lighter +10%#1EF800
Darker −10%#129200
Darker −20%#0C5F00
Darker −30%#052C00
Darker −40%#000000
More saturated +25%#18C500
Less saturated −25%#2BAC19

Channel breakdown

R24
G197
B0
Red24 (9.4%)
Green197 (77.3%)
Blue0 (0%)
Hue112.69°
Saturation (HSL)100%
Lightness38.63%
Dominant channelGreen
Hex per channelR 18 · G C5 · B 00

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Every value on this page was computed from “18c500” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.