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Recognised as Colour

#37B228

  • #37B228
  • Green
  • Dark
  • Nearest: Limegreen

#37B228 is a green with RGB values 55, 178, 40 and HSL 113°, 63%, 43%. It is a dark colour, so black text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#37B228#37B228
HEX#37B228
RGBrgb(55, 178, 40)
RGB (0–1)0.2157, 0.698, 0.1569
RGB percentages21.6%, 69.8%, 15.7%
HSLhsl(113.5, 63.3%, 42.7%)
HSV / HSBhsv(113.5, 77.5%, 69.8%)
CMYK69.1%, 0%, 77.5%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,650,088
CSS custom property--colour: #37B228;

Brightness & contrast

Relative luminance0.32806WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.56:1
Contrast with white2.78:1WCAG normal text: Fail
Contrast with black7.56:1WCAG normal text: AAA
Greyscale equivalent#8E8E8E
Inverted#C84DD7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B6A102no red cones; affects about 1% of men; ΔE 54.1 from the original
Deuteranopia#A89738no green cones; the most common form, about 1% of men; ΔE 53.7 from the original
Tritanopia#19AC98no blue cones; rare, and affects men and women equally; ΔE 59 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.78:1WCAG large text: Fail
Contrast with black, large text7.56:1WCAG large text: AAA

Named colours

Limegreen · ΔE 13.3Forest green · ΔE 19.6Green · ΔE 20Yellow green · ΔE 26Light green · ΔE 32.1Spring green · ΔE 32.1
Nearest named CSS colourLimegreen (#32CD32)ΔE 13.31, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A328B2
Analogous#7CB228, #28B25E
Triadic#2837B2, #B22837
Split complementary#5E28B2, #B2287C
Tetradic#287CB2, #A328B2, #B25E28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BDEFB7
Lighter +30%#97E58E
Lighter +20%#71DC64
Lighter +10%#4BD33A
Darker −10%#2A881F
Darker −20%#1D5F15
Darker −30%#10350C
Darker −40%#040B03
More saturated +25%#22CD0D
Less saturated −25%#4C9743

Channel breakdown

R55
G178
B40
Red55 (21.6%)
Green178 (69.8%)
Blue40 (15.7%)
Hue113.48°
Saturation (HSL)63.3%
Lightness42.75%
Dominant channelGreen
Hex per channelR 37 · G B2 · B 28

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Every value on this page was computed from “37b228” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.