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Recognised as Colour

#63A440

  • #63A440
  • Green
  • Dark
  • Nearest: Olivedrab

#63A440 is a green with RGB values 99, 164, 64 and HSL 99°, 44%, 45%. It is a dark colour, so black text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Olivedrab.

Colour values

#63A440#63A440
HEX#63A440
RGBrgb(99, 164, 64)
RGB (0–1)0.3882, 0.6431, 0.251
RGB percentages38.8%, 64.3%, 25.1%
HSLhsl(99, 43.9%, 44.7%)
HSV / HSBhsv(99, 61%, 64.3%)
CMYK39.6%, 0%, 61%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,530,112
CSS custom property--colour: #63A440;

Brightness & contrast

Relative luminance0.29574WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.91:1
Contrast with white3.04:1WCAG normal text: Fail
Contrast with black6.91:1WCAG normal text: AA
Greyscale equivalent#8F8F8F
Inverted#9C5BBF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A99735no red cones; affects about 1% of men; ΔE 35 from the original
Deuteranopia#A09248no green cones; the most common form, about 1% of men; ΔE 34.5 from the original
Tritanopia#619E8Fno blue cones; rare, and affects men and women equally; ΔE 45.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.04:1WCAG large text: AA
Contrast with black, large text6.91:1WCAG large text: AAA

Named colours

Olivedrab · ΔE 13.7Forest green · ΔE 15.1Green · ΔE 20.4Medium seagreen · ΔE 22.5Dark green · ΔE 25.6Sea green · ΔE 26.3
Nearest named CSS colourOlivedrab (#6B8E23)ΔE 13.71, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8140A4
Analogous#95A440, #40A44F
Triadic#4063A4, #A44063
Split complementary#4F40A4, #A44095
Tetradic#4095A4, #8140A4, #A44F40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D3E9C7
Lighter +30%#B6DBA2
Lighter +20%#99CC7E
Lighter +10%#7CBE59
Darker −10%#4D7F32
Darker −20%#375B23
Darker −30%#213615
Darker −40%#0A1107
More saturated +25%#5AC124
Less saturated −25%#6C885D

Channel breakdown

R99
G164
B64
Red99 (38.8%)
Green164 (64.3%)
Blue64 (25.1%)
Hue99°
Saturation (HSL)43.86%
Lightness44.71%
Dominant channelGreen
Hex per channelR 63 · G A4 · B 40

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Every value on this page was computed from “63a440” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.