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Colour

#57B243

  • #57B243
  • Green
  • Dark
  • Nearest: Forest green

#57B243 is a green with RGB values 87, 178, 67 and HSL 109°, 45%, 48%. It is a dark colour, so black text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Forest green.

Colour values

#57B243#57B243
HEX#57B243
RGBrgb(87, 178, 67)
RGB (0–1)0.3412, 0.698, 0.2627
RGB percentages34.1%, 69.8%, 26.3%
HSLhsl(109.2, 45.3%, 48%)
HSV / HSBhsv(109.2, 62.4%, 69.8%)
CMYK51.1%, 0%, 62.4%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,747,267
CSS custom property--colour: #57B243;

Brightness & contrast

Relative luminance0.34272WCAG 2.x, 0 is black and 1 is white
Perceived brightness146.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.85:1
Contrast with white2.67:1WCAG normal text: Fail
Contrast with black7.85:1WCAG normal text: AAA
Greyscale equivalent#979797
Inverted#A84DBC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B7A336no red cones; affects about 1% of men; ΔE 44.3 from the original
Deuteranopia#AB9B4Cno green cones; the most common form, about 1% of men; ΔE 44.1 from the original
Tritanopia#4EAC9Ano blue cones; rare, and affects men and women equally; ΔE 49.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.67:1WCAG large text: Fail
Contrast with black, large text7.85:1WCAG large text: AAA

Named colours

Forest green · ΔE 14.8Green · ΔE 19.4Olivedrab · ΔE 22.8Medium seagreen · ΔE 23Light green · ΔE 23.8Yellow green · ΔE 24.6
Nearest named CSS colourForest green (#228B22)ΔE 14.82, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9E43B2
Analogous#8FB243, #43B266
Triadic#4357B2, #B24357
Split complementary#6643B2, #B2438F
Tetradic#438FB2, #9E43B2, #B26643

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D8EED3
Lighter +30%#B7E0AE
Lighter +20%#96D289
Lighter +10%#75C464
Darker −10%#458D35
Darker −20%#336827
Darker −30%#214319
Darker −40%#0F1E0B
More saturated +25%#43D124
Less saturated −25%#6B9362

Channel breakdown

R87
G178
B67
Red87 (34.1%)
Green178 (69.8%)
Blue67 (26.3%)
Hue109.19°
Saturation (HSL)45.31%
Lightness48.04%
Dominant channelGreen
Hex per channelR 57 · G B2 · B 43

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Every value on this page was computed from “57b243” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.