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Colour

#577B20

  • #577B20
  • Green
  • Dark
  • Nearest: Olivedrab

#577B20 is a green with RGB values 87, 123, 32 and HSL 84°, 59%, 30%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Olivedrab.

Colour values

#577B20#577B20
HEX#577B20
RGBrgb(87, 123, 32)
RGB (0–1)0.3412, 0.4824, 0.1255
RGB percentages34.1%, 48.2%, 12.5%
HSLhsl(83.7, 58.7%, 30.4%)
HSV / HSBhsv(83.7, 74%, 48.2%)
CMYK29.3%, 0%, 74%, 51.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,733,152
CSS custom property--colour: #577B20;

Brightness & contrast

Relative luminance0.16296WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.93:1
Contrast with white4.93:1WCAG normal text: AA
Contrast with black4.26:1WCAG normal text: Fail
Greyscale equivalent#6D6D6D
Inverted#A884DF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#817210no red cones; affects about 1% of men; ΔE 24.1 from the original
Deuteranopia#7C7028no green cones; the most common form, about 1% of men; ΔE 23.1 from the original
Tritanopia#5A7569no blue cones; rare, and affects men and women equally; ΔE 42.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.93:1WCAG large text: AAA
Contrast with black, large text4.26:1WCAG large text: AA

Named colours

Olivedrab · ΔE 9.8Dark olivegreen · ΔE 16.1Dark green · ΔE 19.5Olive · ΔE 20.3Forest green · ΔE 22.5Green · ΔE 25.2
Nearest named CSS colourOlivedrab (#6B8E23)ΔE 9.78, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#44207B
Analogous#7B7120, #2A7B20
Triadic#20577B, #7B2057
Split complementary#202A7B, #71207B
Tetradic#207B71, #44207B, #7B202A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BDE087
Lighter +30%#A6D55F
Lighter +20%#90CB36
Lighter +10%#74A32B
Darker −10%#3A5315
Darker −20%#1E2A0B
Darker −30%#010200
Darker −40%#000000
More saturated +25%#5B8E0D
Less saturated −25%#536833

Channel breakdown

R87
G123
B32
Red87 (34.1%)
Green123 (48.2%)
Blue32 (12.5%)
Hue83.74°
Saturation (HSL)58.71%
Lightness30.39%
Dominant channelGreen
Hex per channelR 57 · G 7B · B 20

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Every value on this page was computed from “577b20” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.