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Recognised as Colour

#31CA57

  • #31CA57
  • Green
  • Dark
  • Nearest: Limegreen

#31CA57 is a green with RGB values 49, 202, 87 and HSL 135°, 61%, 49%. It is a dark colour, so black text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#31CA57#31CA57
HEX#31CA57
RGBrgb(49, 202, 87)
RGB (0–1)0.1922, 0.7922, 0.3412
RGB percentages19.2%, 79.2%, 34.1%
HSLhsl(134.9, 61%, 49.2%)
HSV / HSBhsv(134.9, 75.7%, 79.2%)
CMYK75.7%, 0%, 56.9%, 20.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,263,063
CSS custom property--colour: #31CA57;

Brightness & contrast

Relative luminance0.43582WCAG 2.x, 0 is black and 1 is white
Perceived brightness159.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.72:1
Contrast with white2.16:1WCAG normal text: Fail
Contrast with black9.72:1WCAG normal text: AAA
Greyscale equivalent#A1A1A1
Inverted#CE35A8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CCB84Cno red cones; affects about 1% of men; ΔE 57.9 from the original
Deuteranopia#BBAC60no green cones; the most common form, about 1% of men; ΔE 57.9 from the original
Tritanopia#00C5B1no blue cones; rare, and affects men and women equally; ΔE 50.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.16:1WCAG large text: Fail
Contrast with black, large text9.72:1WCAG large text: AAA

Named colours

Limegreen · ΔE 16.3Medium spring green · ΔE 21.9Spring green · ΔE 21.9Light green · ΔE 23.6Pale green · ΔE 24.7Forest green · ΔE 25
Nearest named CSS colourLimegreen (#32CD32)ΔE 16.34, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CA31A4
Analogous#58CA31, #31CAA3
Triadic#5731CA, #CA5731
Split complementary#A331CA, #CA3158
Tetradic#3158CA, #CA31A4, #CAA331

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D3F4DB
Lighter +30%#AAEABA
Lighter +20%#81E098
Lighter +10%#58D677
Darker −10%#27A145
Darker −20%#1D7834
Darker −30%#134F22
Darker −40%#092610
More saturated +25%#12E947
Less saturated −25%#50AB67

Channel breakdown

R49
G202
B87
Red49 (19.2%)
Green202 (79.2%)
Blue87 (34.1%)
Hue134.9°
Saturation (HSL)60.96%
Lightness49.22%
Dominant channelGreen
Hex per channelR 31 · G CA · B 57

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Every value on this page was computed from “31ca57” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.