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Recognised as Colour

#40B301

  • #40B301
  • Green
  • Dark
  • Nearest: Limegreen

#40B301 is a green with RGB values 64, 179, 1 and HSL 99°, 99%, 35%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#40B301#40B301
HEX#40B301
RGBrgb(64, 179, 1)
RGB (0–1)0.251, 0.702, 0.0039
RGB percentages25.1%, 70.2%, 0.4%
HSLhsl(98.8, 98.9%, 35.3%)
HSV / HSBhsv(98.8, 99.4%, 70.2%)
CMYK64.2%, 0%, 99.4%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,240,129
CSS custom property--colour: #40B301;

Brightness & contrast

Relative luminance0.33332WCAG 2.x, 0 is black and 1 is white
Perceived brightness141.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.67:1
Contrast with white2.74:1WCAG normal text: Fail
Contrast with black7.67:1WCAG normal text: AAA
Greyscale equivalent#8E8E8E
Inverted#BF4CFE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B9A200no red cones; affects about 1% of men; ΔE 53.5 from the original
Deuteranopia#AB9926no green cones; the most common form, about 1% of men; ΔE 53 from the original
Tritanopia#30AD98no blue cones; rare, and affects men and women equally; ΔE 66.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.74:1WCAG large text: Fail
Contrast with black, large text7.67:1WCAG large text: AAA

Named colours

Limegreen · ΔE 12.5Yellow green · ΔE 23.7Green · ΔE 24.4Forest green · ΔE 25.6Green yellow · ΔE 32.9Lawn green · ΔE 33.1
Nearest named CSS colourLimegreen (#32CD32)ΔE 12.49, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7401B3
Analogous#99B301, #01B31B
Triadic#0140B3, #B30140
Split complementary#1B01B3, #B30199
Tetradic#0199B3, #7401B3, #B31B01

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AEFE82
Lighter +30%#8DFE4F
Lighter +20%#6CFE1C
Lighter +10%#52E601
Darker −10%#2E8001
Darker −20%#1C4E00
Darker −30%#0A1B00
Darker −40%#000000
More saturated +25%#40B400
Less saturated −25%#479C18

Channel breakdown

R64
G179
B1
Red64 (25.1%)
Green179 (70.2%)
Blue1 (0.4%)
Hue98.76°
Saturation (HSL)98.89%
Lightness35.29%
Dominant channelGreen
Hex per channelR 40 · G B3 · B 01

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Every value on this page was computed from “40b301” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.