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Colour

#63BB57

  • #63BB57
  • Green
  • Dark
  • Nearest: Medium seagreen

#63BB57 is a green with RGB values 99, 187, 87 and HSL 113°, 42%, 54%. It is a dark colour, so black text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#63BB57#63BB57
HEX#63BB57
RGBrgb(99, 187, 87)
RGB (0–1)0.3882, 0.7333, 0.3412
RGB percentages38.8%, 73.3%, 34.1%
HSLhsl(112.8, 42.4%, 53.7%)
HSV / HSBhsv(112.8, 53.5%, 73.3%)
CMYK47.1%, 0%, 53.5%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,536,023
CSS custom property--colour: #63BB57;

Brightness & contrast

Relative luminance0.38881WCAG 2.x, 0 is black and 1 is white
Perceived brightness155.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.78:1
Contrast with white2.39:1WCAG normal text: Fail
Contrast with black8.78:1WCAG normal text: AAA
Greyscale equivalent#A1A1A1
Inverted#9C44A8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BFAC4Eno red cones; affects about 1% of men; ΔE 42.1 from the original
Deuteranopia#B3A45Eno green cones; the most common form, about 1% of men; ΔE 42.1 from the original
Tritanopia#5AB6A4no blue cones; rare, and affects men and women equally; ΔE 43.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.39:1WCAG large text: Fail
Contrast with black, large text8.78:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 18.3Forest green · ΔE 18.6Light green · ΔE 18.6Pale green · ΔE 22.5Olivedrab · ΔE 24Green · ΔE 24.4
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 18.32, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AF57BB
Analogous#95BB57, #57BB7D
Triadic#5763BB, #BB5763
Split complementary#7D57BB, #BB5795
Tetradic#5795BB, #AF57BB, #BB7D57

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EAF6E8
Lighter +30%#C8E7C4
Lighter +20%#A6D8A0
Lighter +10%#85CA7B
Darker −10%#4C9F40
Darker −20%#3A7A32
Darker −30%#295623
Darker −40%#183214
More saturated +25%#4DD83A
Less saturated −25%#799D75

Channel breakdown

R99
G187
B87
Red99 (38.8%)
Green187 (73.3%)
Blue87 (34.1%)
Hue112.8°
Saturation (HSL)42.37%
Lightness53.73%
Dominant channelGreen
Hex per channelR 63 · G BB · B 57

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Every value on this page was computed from “63bb57” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.