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Recognised as Colour

#55A551

  • #55A551
  • Green
  • Dark
  • Nearest: Medium seagreen

#55A551 is a green with RGB values 85, 165, 81 and HSL 117°, 34%, 48%. It is a dark colour, so black text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Medium seagreen.

Colour values

#55A551#55A551
HEX#55A551
RGBrgb(85, 165, 81)
RGB (0–1)0.3333, 0.6471, 0.3176
RGB percentages33.3%, 64.7%, 31.8%
HSLhsl(117.1, 34.1%, 48.2%)
HSV / HSBhsv(117.1, 50.9%, 64.7%)
CMYK48.5%, 0%, 50.9%, 35.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,612,881
CSS custom property--colour: #55A551;

Brightness & contrast

Relative luminance0.29436WCAG 2.x, 0 is black and 1 is white
Perceived brightness137.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.89:1
Contrast with white3.05:1WCAG normal text: Fail
Contrast with black6.89:1WCAG normal text: AA
Greyscale equivalent#8E8E8E
Inverted#AA5AAE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A8984Ano red cones; affects about 1% of men; ΔE 38.2 from the original
Deuteranopia#9D9157no green cones; the most common form, about 1% of men; ΔE 38.1 from the original
Tritanopia#4BA192no blue cones; rare, and affects men and women equally; ΔE 38 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.05:1WCAG large text: AA
Contrast with black, large text6.89:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 13.8Forest green · ΔE 16Sea green · ΔE 18.7Olivedrab · ΔE 20.5Green · ΔE 22.7Dark green · ΔE 25.7
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 13.85, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A151A5
Analogous#7FA551, #51A577
Triadic#5155A5, #A55155
Split complementary#7751A5, #A5517F
Tetradic#517FA5, #A151A5, #A57751

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D8EBD7
Lighter +30%#B6DAB5
Lighter +20%#95CA92
Lighter +10%#74B970
Darker −10%#438340
Darker −20%#32612F
Darker −30%#203E1F
Darker −40%#0F1C0E
More saturated +25%#39C432
Less saturated −25%#718670

Channel breakdown

R85
G165
B81
Red85 (33.3%)
Green165 (64.7%)
Blue81 (31.8%)
Hue117.14°
Saturation (HSL)34.15%
Lightness48.24%
Dominant channelGreen
Hex per channelR 55 · G A5 · B 51

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Every value on this page was computed from “55a551” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.