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Recognised as Colour

#09A821

  • #09A821
  • Green
  • Dark
  • Nearest: Limegreen

#09A821 is a green with RGB values 9, 168, 33 and HSL 129°, 90%, 35%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Limegreen.

Colour values

#09A821#09A821
HEX#09A821
RGBrgb(9, 168, 33)
RGB (0–1)0.0353, 0.6588, 0.1294
RGB percentages3.5%, 65.9%, 12.9%
HSLhsl(129.1, 89.8%, 34.7%)
HSV / HSBhsv(129.1, 94.6%, 65.9%)
CMYK94.6%, 0%, 80.4%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer632,865
CSS custom property--colour: #09A821;

Brightness & contrast

Relative luminance0.28173WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.63:1
Contrast with white3.17:1WCAG normal text: Fail
Contrast with black6.63:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#F657DE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AB9700no red cones; affects about 1% of men; ΔE 57 from the original
Deuteranopia#9C8D32no green cones; the most common form, about 1% of men; ΔE 56.3 from the original
Tritanopia#00A38Fno blue cones; rare, and affects men and women equally; ΔE 58.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.17:1WCAG large text: AA
Contrast with black, large text6.63:1WCAG large text: AAA

Named colours

Limegreen · ΔE 15.5Green · ΔE 17.4Forest green · ΔE 17.8Yellow green · ΔE 31Dark green · ΔE 32.4Spring green · ΔE 33.3
Nearest named CSS colourLimegreen (#32CD32)ΔE 15.49, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A80990
Analogous#40A809, #09A871
Triadic#2109A8, #A82109
Split complementary#7109A8, #A80941
Tetradic#0940A8, #A80990, #A87109

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#85F896
Lighter +30%#54F66D
Lighter +20%#24F343
Lighter +10%#0CD82B
Darker −10%#067817
Darker −20%#04470E
Darker −30%#011704
Darker −40%#000000
More saturated +25%#00B11B
Less saturated −25%#1F9230

Channel breakdown

R9
G168
B33
Red9 (3.5%)
Green168 (65.9%)
Blue33 (12.9%)
Hue129.06°
Saturation (HSL)89.83%
Lightness34.71%
Dominant channelGreen
Hex per channelR 09 · G A8 · B 21

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Every value on this page was computed from “09a821” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.