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Recognised as Colour

#37AC71

  • #37AC71
  • Green
  • Dark
  • Nearest: Medium seagreen

#37AC71 is a green with RGB values 55, 172, 113 and HSL 150°, 52%, 45%. It is a dark colour, so black text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#37AC71#37AC71
HEX#37AC71
RGBrgb(55, 172, 113)
RGB (0–1)0.2157, 0.6745, 0.4431
RGB percentages21.6%, 67.5%, 44.3%
HSLhsl(149.7, 51.5%, 44.5%)
HSV / HSBhsv(149.7, 68%, 67.5%)
CMYK68%, 0%, 34.3%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,648,625
CSS custom property--colour: #37AC71;

Brightness & contrast

Relative luminance0.3151WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.3:1
Contrast with white2.88:1WCAG normal text: Fail
Contrast with black7.3:1WCAG normal text: AAA
Greyscale equivalent#8F8F8F
Inverted#C8538E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AB9F6Dno red cones; affects about 1% of men; ΔE 43.7 from the original
Deuteranopia#9C9475no green cones; the most common form, about 1% of men; ΔE 44.3 from the original
Tritanopia#00AB9Dno blue cones; rare, and affects men and women equally; ΔE 25.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.88:1WCAG large text: Fail
Contrast with black, large text7.3:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 4.4Sea green · ΔE 13.2Medium aquamarine · ΔE 19.8Dark seagreen · ΔE 24.5Forest green · ΔE 27.1Light green · ΔE 28.4
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 4.37, a close match
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AC3772
Analogous#38AC37, #37ACAB
Triadic#7137AC, #AC7137
Split complementary#AC37AC, #AC3738
Tetradic#3738AC, #AC3772, #ACAB37

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C3ECD7
Lighter +30%#9CE0BE
Lighter +20%#76D3A4
Lighter +10%#4FC78A
Darker −10%#2B8558
Darker −20%#1E5F3E
Darker −30%#123825
Darker −40%#06110B
More saturated +25%#1BC871
Less saturated −25%#539071

Channel breakdown

R55
G172
B113
Red55 (21.6%)
Green172 (67.5%)
Blue113 (44.3%)
Hue149.74°
Saturation (HSL)51.54%
Lightness44.51%
Dominant channelGreen
Hex per channelR 37 · G AC · B 71

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Every value on this page was computed from “37ac71” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.