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Recognised as Colour

#37D21C

  • #37D21C
  • Green
  • Dark
  • Nearest: Limegreen

#37D21C is a green with RGB values 55, 210, 28 and HSL 111°, 76%, 47%. It is a dark colour, so black text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#37D21C#37D21C
HEX#37D21C
RGBrgb(55, 210, 28)
RGB (0–1)0.2157, 0.8235, 0.1098
RGB percentages21.6%, 82.4%, 11%
HSLhsl(111.1, 76.5%, 46.7%)
HSV / HSBhsv(111.1, 86.7%, 82.4%)
CMYK73.8%, 0%, 86.7%, 17.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,658,268
CSS custom property--colour: #37D21C;

Brightness & contrast

Relative luminance0.46989WCAG 2.x, 0 is black and 1 is white
Perceived brightness164 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.4:1
Contrast with white2.02:1WCAG normal text: Fail
Contrast with black10.4:1WCAG normal text: AAA
Greyscale equivalent#A4A4A4
Inverted#C82DE3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D7BE00no red cones; affects about 1% of men; ΔE 63.5 from the original
Deuteranopia#C6B237no green cones; the most common form, about 1% of men; ΔE 63.2 from the original
Tritanopia#00CBB3no blue cones; rare, and affects men and women equally; ΔE 72.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.02:1WCAG large text: Fail
Contrast with black, large text10.4:1WCAG large text: AAA

Named colours

Limegreen · ΔE 7.8Lawn green · ΔE 21.9Chartreuse · ΔE 23.1Lime · ΔE 26.1Spring green · ΔE 27.2Green yellow · ΔE 27.6
Nearest named CSS colourLimegreen (#32CD32)ΔE 7.8, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B71CD2
Analogous#92D21C, #1CD25C
Triadic#1C37D2, #D21C37
Split complementary#5C1CD2, #D21C92
Tetradic#1C92D2, #B71CD2, #D25C1C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBF7C3
Lighter +30%#A3F196
Lighter +20%#7CEB69
Lighter +10%#55E53C
Darker −10%#2BA516
Darker −20%#1F7810
Darker −30%#144B0A
Darker −40%#081E04
More saturated +25%#23EE00
Less saturated −25%#4CB43A

Channel breakdown

R55
G210
B28
Red55 (21.6%)
Green210 (82.4%)
Blue28 (11%)
Hue111.1°
Saturation (HSL)76.47%
Lightness46.67%
Dominant channelGreen
Hex per channelR 37 · G D2 · B 1C

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Every value on this page was computed from “37d21c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.