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Recognised as Colour

#63CC31

  • #63CC31
  • Green
  • Dark
  • Nearest: Limegreen

#63CC31 is a green with RGB values 99, 204, 49 and HSL 101°, 61%, 50%. It is a dark colour, so black text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#63CC31#63CC31
HEX#63CC31
RGBrgb(99, 204, 49)
RGB (0–1)0.3882, 0.8, 0.1922
RGB percentages38.8%, 80%, 19.2%
HSLhsl(100.6, 61.3%, 49.6%)
HSV / HSBhsv(100.6, 76%, 80%)
CMYK51.5%, 0%, 76%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,540,337
CSS custom property--colour: #63CC31;

Brightness & contrast

Relative luminance0.4606WCAG 2.x, 0 is black and 1 is white
Perceived brightness166.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.21:1
Contrast with white2.06:1WCAG normal text: Fail
Contrast with black10.21:1WCAG normal text: AAA
Greyscale equivalent#AAAAAA
Inverted#9C33CE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D3BA09no red cones; affects about 1% of men; ΔE 52 from the original
Deuteranopia#C5B242no green cones; the most common form, about 1% of men; ΔE 50.5 from the original
Tritanopia#5BC5AFno blue cones; rare, and affects men and women equally; ΔE 64.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.06:1WCAG large text: Fail
Contrast with black, large text10.21:1WCAG large text: AAA

Named colours

Limegreen · ΔE 11Yellow green · ΔE 18.8Green yellow · ΔE 26.5Lawn green · ΔE 29Forest green · ΔE 30Spring green · ΔE 30.1
Nearest named CSS colourLimegreen (#32CD32)ΔE 11.03, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9A31CC
Analogous#B1CC31, #31CC4C
Triadic#3163CC, #CC3163
Split complementary#4C31CC, #CC31B1
Tetradic#31B1CC, #9A31CC, #CC4C31

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DFF5D4
Lighter +30%#C0EBAB
Lighter +20%#A1E182
Lighter +10%#82D759
Darker −10%#4FA327
Darker −20%#3B7A1D
Darker −30%#275113
Darker −40%#132809
More saturated +25%#58EC11
Less saturated −25%#6EAC51

Channel breakdown

R99
G204
B49
Red99 (38.8%)
Green204 (80%)
Blue49 (19.2%)
Hue100.65°
Saturation (HSL)61.26%
Lightness49.61%
Dominant channelGreen
Hex per channelR 63 · G CC · B 31

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Every value on this page was computed from “63cc31” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.