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Recognised as Colour

#37DD63

  • #37DD63
  • Green
  • Light
  • Nearest: Spring green

#37DD63 is a green with RGB values 55, 221, 99 and HSL 136°, 71%, 54%. It is a light colour, so black text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Spring green.

Colour values

#37DD63#37DD63
HEX#37DD63
RGBrgb(55, 221, 99)
RGB (0–1)0.2157, 0.8667, 0.3882
RGB percentages21.6%, 86.7%, 38.8%
HSLhsl(135.9, 70.9%, 54.1%)
HSV / HSBhsv(135.9, 75.1%, 86.7%)
CMYK75.1%, 0%, 55.2%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,661,155
CSS custom property--colour: #37DD63;

Brightness & contrast

Relative luminance0.53426WCAG 2.x, 0 is black and 1 is white
Perceived brightness175.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.69:1
Contrast with white1.8:1WCAG normal text: Fail
Contrast with black11.69:1WCAG normal text: AAA
Greyscale equivalent#B1B1B1
Inverted#C8229C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#DFC957no red cones; affects about 1% of men; ΔE 61.8 from the original
Deuteranopia#CDBC6Dno green cones; the most common form, about 1% of men; ΔE 62.1 from the original
Tritanopia#00D8C2no blue cones; rare, and affects men and women equally; ΔE 52.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.8:1WCAG large text: Fail
Contrast with black, large text11.69:1WCAG large text: AAA

Named colours

Spring green · ΔE 14.7Limegreen · ΔE 14.9Medium spring green · ΔE 18.2Pale green · ΔE 23.9Light green · ΔE 24.3Medium seagreen · ΔE 32.3
Nearest named CSS colourSpring green (#00FF7F)ΔE 14.69, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DD37B1
Analogous#5EDD37, #37DDB6
Triadic#6337DD, #DD6337
Split complementary#B637DD, #DD375E
Tetradic#375EDD, #DD37B1, #DDB637

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E5FBEB
Lighter +30%#BAF3C9
Lighter +20%#8EECA7
Lighter +10%#63E485
Darker −10%#21C04B
Darker −20%#19953A
Darker −30%#126929
Darker −40%#0A3E18
More saturated +25%#1AFA55
Less saturated −25%#54C071

Channel breakdown

R55
G221
B99
Red55 (21.6%)
Green221 (86.7%)
Blue99 (38.8%)
Hue135.9°
Saturation (HSL)70.94%
Lightness54.12%
Dominant channelGreen
Hex per channelR 37 · G DD · B 63

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Every value on this page was computed from “37dd63” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.