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Recognised as Colour

#42FF37

  • #42FF37
  • Green
  • Light
  • Nearest: Lime

#42FF37 is a green with RGB values 66, 255, 55 and HSL 117°, 100%, 61%. It is a light colour, so black text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Lime.

Colour values

#42FF37#42FF37
HEX#42FF37
RGBrgb(66, 255, 55)
RGB (0–1)0.2588, 1, 0.2157
RGB percentages25.9%, 100%, 21.6%
HSLhsl(116.7, 100%, 60.8%)
HSV / HSBhsv(116.7, 78.4%, 100%)
CMYK74.1%, 0%, 78.4%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,390,711
CSS custom property--colour: #42FF37;

Brightness & contrast

Relative luminance0.72954WCAG 2.x, 0 is black and 1 is white
Perceived brightness199.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.59:1
Contrast with white1.35:1WCAG normal text: Fail
Contrast with black15.59:1WCAG normal text: AAA
Greyscale equivalent#C8C8C8
Inverted#BD00C8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE700no red cones; affects about 1% of men; ΔE 71.2 from the original
Deuteranopia#F0D850no green cones; the most common form, about 1% of men; ΔE 73.3 from the original
Tritanopia#00F7DAno blue cones; rare, and affects men and women equally; ΔE 79 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.35:1WCAG large text: Fail
Contrast with black, large text15.59:1WCAG large text: AAA

Named colours

Lime · ΔE 10.4Lawn green · ΔE 15.2Chartreuse · ΔE 15.6Limegreen · ΔE 24.4Green yellow · ΔE 28.1Spring green · ΔE 28.4
Nearest named CSS colourLime (#00FF00)ΔE 10.36, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F437FF
Analogous#A6FF37, #37FF90
Triadic#3742FF, #FF3742
Split complementary#9037FF, #FF37A6
Tetradic#37A6FF, #F437FF, #FF9037

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D3FFD0
Lighter +20%#A2FF9D
Lighter +10%#72FF6A
Darker −10%#12FF04
Darker −20%#0BD000
Darker −30%#099D00
Darker −40%#066A00
More saturated +25%#42FF37
Less saturated −25%#58E650

Channel breakdown

R66
G255
B55
Red66 (25.9%)
Green255 (100%)
Blue55 (21.6%)
Hue116.7°
Saturation (HSL)100%
Lightness60.78%
Dominant channelGreen
Hex per channelR 42 · G FF · B 37

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Every value on this page was computed from “42ff37” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.