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Recognised as Colour

#40BF42

  • #40BF42
  • Green
  • Dark
  • Nearest: Limegreen

#40BF42 is a green with RGB values 64, 191, 66 and HSL 121°, 50%, 50%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#40BF42#40BF42
HEX#40BF42
RGBrgb(64, 191, 66)
RGB (0–1)0.251, 0.749, 0.2588
RGB percentages25.1%, 74.9%, 25.9%
HSLhsl(120.9, 49.8%, 50%)
HSV / HSBhsv(120.9, 66.5%, 74.9%)
CMYK66.5%, 0%, 65.4%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,243,266
CSS custom property--colour: #40BF42;

Brightness & contrast

Relative luminance0.38745WCAG 2.x, 0 is black and 1 is white
Perceived brightness152.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.75:1
Contrast with white2.4:1WCAG normal text: Fail
Contrast with black8.75:1WCAG normal text: AAA
Greyscale equivalent#9B9B9B
Inverted#BF40BD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C3AE32no red cones; affects about 1% of men; ΔE 54.3 from the original
Deuteranopia#B4A34Dno green cones; the most common form, about 1% of men; ΔE 54.3 from the original
Tritanopia#20BAA5no blue cones; rare, and affects men and women equally; ΔE 54 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.4:1WCAG large text: Fail
Contrast with black, large text8.75:1WCAG large text: AAA

Named colours

Limegreen · ΔE 13.7Forest green · ΔE 21.1Green · ΔE 23.5Light green · ΔE 26.2Yellow green · ΔE 27Spring green · ΔE 27.3
Nearest named CSS colourLimegreen (#32CD32)ΔE 13.74, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF40BD
Analogous#7DBF40, #40BF82
Triadic#4240BF, #BF4240
Split complementary#8240BF, #BF407E
Tetradic#407DBF, #BF40BD, #BF8240

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9F2D9
Lighter +30%#B3E5B3
Lighter +20%#8CD98E
Lighter +10%#66CC68
Darker −10%#339935
Darker −20%#267328
Darker −30%#1A4C1A
Darker −40%#0D260D
More saturated +25%#20DF23
Less saturated −25%#609F61

Channel breakdown

R64
G191
B66
Red64 (25.1%)
Green191 (74.9%)
Blue66 (25.9%)
Hue120.94°
Saturation (HSL)49.8%
Lightness50%
Dominant channelGreen
Hex per channelR 40 · G BF · B 42

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Every value on this page was computed from “40bf42” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.