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Recognised as Colour

#40CB00

  • #40CB00
  • Green
  • Dark
  • Nearest: Limegreen

#40CB00 is a green with RGB values 64, 203, 0 and HSL 101°, 100%, 40%. It is a dark colour, so black text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#40CB00#40CB00
HEX#40CB00
RGBrgb(64, 203, 0)
RGB (0–1)0.251, 0.7961, 0
RGB percentages25.1%, 79.6%, 0%
HSLhsl(101.1, 100%, 39.8%)
HSV / HSBhsv(101.1, 100%, 79.6%)
CMYK68.5%, 0%, 100%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,246,272
CSS custom property--colour: #40CB00;

Brightness & contrast

Relative luminance0.43802WCAG 2.x, 0 is black and 1 is white
Perceived brightness159.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.76:1
Contrast with white2.15:1WCAG normal text: Fail
Contrast with black9.76:1WCAG normal text: AAA
Greyscale equivalent#9F9F9F
Inverted#BF34FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D1B700no red cones; affects about 1% of men; ΔE 60.9 from the original
Deuteranopia#C1AD2Cno green cones; the most common form, about 1% of men; ΔE 60.2 from the original
Tritanopia#25C4ACno blue cones; rare, and affects men and women equally; ΔE 73.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.15:1WCAG large text: Fail
Contrast with black, large text9.76:1WCAG large text: AAA

Named colours

Limegreen · ΔE 9.6Lawn green · ΔE 21.9Chartreuse · ΔE 23.2Green yellow · ΔE 26.4Lime · ΔE 28.3Yellow green · ΔE 28.7
Nearest named CSS colourLimegreen (#32CD32)ΔE 9.58, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8B00CB
Analogous#A6CB00, #00CB25
Triadic#0040CB, #CB0040
Split complementary#2600CB, #CB00A5
Tetradic#00A5CB, #8B00CB, #CB2500

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B8FF98
Lighter +30%#96FF65
Lighter +20%#73FF32
Lighter +10%#50FE00
Darker −10%#309800
Darker −20%#206500
Darker −30%#103200
Darker −40%#000000
More saturated +25%#40CB00
Less saturated −25%#49B219

Channel breakdown

R64
G203
B0
Red64 (25.1%)
Green203 (79.6%)
Blue0 (0%)
Hue101.08°
Saturation (HSL)100%
Lightness39.8%
Dominant channelGreen
Hex per channelR 40 · G CB · B 00

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Every value on this page was computed from “40cb00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.