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Recognised as Colour

#99C540

  • #99C540
  • Green
  • Dark
  • Nearest: Yellow green

#99C540 is a green with RGB values 153, 197, 64 and HSL 80°, 53%, 51%. It is a dark colour, so black text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#99C540#99C540
HEX#99C540
RGBrgb(153, 197, 64)
RGB (0–1)0.6, 0.7725, 0.251
RGB percentages60%, 77.3%, 25.1%
HSLhsl(79.8, 53.4%, 51.2%)
HSV / HSBhsv(79.8, 67.5%, 77.3%)
CMYK22.3%, 0%, 67.5%, 22.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,077,504
CSS custom property--colour: #99C540;

Brightness & contrast

Relative luminance0.47075WCAG 2.x, 0 is black and 1 is white
Perceived brightness173.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.41:1
Contrast with white2.02:1WCAG normal text: Fail
Contrast with black10.41:1WCAG normal text: AAA
Greyscale equivalent#B2B2B2
Inverted#663ABF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CFB82Dno red cones; affects about 1% of men; ΔE 29.3 from the original
Deuteranopia#C9B64Bno green cones; the most common form, about 1% of men; ΔE 28.3 from the original
Tritanopia#9FBCAAno blue cones; rare, and affects men and women equally; ΔE 57.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.02:1WCAG large text: Fail
Contrast with black, large text10.41:1WCAG large text: AAA

Named colours

Yellow green · ΔE 8.6Olivedrab · ΔE 22.6Light green · ΔE 28.4Pale green · ΔE 30.2Olive · ΔE 30.8Forest green · ΔE 31.8
Nearest named CSS colourYellow green (#9ACD32)ΔE 8.64, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6C40C5
Analogous#C5AF40, #56C540
Triadic#4099C5, #C54099
Split complementary#4056C5, #AF40C5
Tetradic#40C5AF, #6C40C5, #C54056

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EDF5DC
Lighter +30%#D8E9B5
Lighter +20%#C3DD8E
Lighter +10%#AED167
Darker −10%#7CA131
Darker −20%#5E7A25
Darker −30%#405319
Darker −40%#222C0D
More saturated +25%#A4E421
Less saturated −25%#8EA65F

Channel breakdown

R153
G197
B64
Red153 (60%)
Green197 (77.3%)
Blue64 (25.1%)
Hue79.85°
Saturation (HSL)53.41%
Lightness51.18%
Dominant channelGreen
Hex per channelR 99 · G C5 · B 40

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Every value on this page was computed from “99c540” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.