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Colour

#42CB00

  • #42CB00
  • Green
  • Dark
  • Nearest: Limegreen

#42CB00 is a green with RGB values 66, 203, 0 and HSL 100°, 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

#42CB00#42CB00
HEX#42CB00
RGBrgb(66, 203, 0)
RGB (0–1)0.2588, 0.7961, 0
RGB percentages25.9%, 79.6%, 0%
HSLhsl(100.5, 100%, 39.8%)
HSV / HSBhsv(100.5, 100%, 79.6%)
CMYK67.5%, 0%, 100%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,377,344
CSS custom property--colour: #42CB00;

Brightness & contrast

Relative luminance0.4387WCAG 2.x, 0 is black and 1 is white
Perceived brightness159.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.77:1
Contrast with white2.15:1WCAG normal text: Fail
Contrast with black9.77:1WCAG normal text: AAA
Greyscale equivalent#9F9F9F
Inverted#BD34FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D1B700no red cones; affects about 1% of men; ΔE 60.5 from the original
Deuteranopia#C1AD2Cno green cones; the most common form, about 1% of men; ΔE 59.8 from the original
Tritanopia#29C4ACno 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 text9.77:1WCAG large text: AAA

Named colours

Limegreen · ΔE 9.7Lawn green · ΔE 21.9Chartreuse · ΔE 23.2Green yellow · ΔE 26.2Yellow green · ΔE 28.3Lime · ΔE 28.5
Nearest named CSS colourLimegreen (#32CD32)ΔE 9.69, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8900CB
Analogous#A8CB00, #00CB23
Triadic#0042CB, #CB0042
Split complementary#2300CB, #CB00A8
Tetradic#00A8CB, #8900CB, #CB2300

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B9FF98
Lighter +30%#97FF65
Lighter +20%#75FF32
Lighter +10%#53FE00
Darker −10%#319800
Darker −20%#216500
Darker −30%#103200
Darker −40%#000000
More saturated +25%#42CB00
Less saturated −25%#4BB219

Channel breakdown

R66
G203
B0
Red66 (25.9%)
Green203 (79.6%)
Blue0 (0%)
Hue100.49°
Saturation (HSL)100%
Lightness39.8%
Dominant channelGreen
Hex per channelR 42 · G CB · B 00

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Every value on this page was computed from “42cb00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.