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Recognised as Colour

#66CA57

  • #66CA57
  • Green
  • Dark
  • Nearest: Light green

#66CA57 is a green with RGB values 102, 202, 87 and HSL 112°, 52%, 57%. It is a dark colour, so black text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Light green.

Colour values

#66CA57#66CA57
HEX#66CA57
RGBrgb(102, 202, 87)
RGB (0–1)0.4, 0.7922, 0.3412
RGB percentages40%, 79.2%, 34.1%
HSLhsl(112.2, 52%, 56.7%)
HSV / HSBhsv(112.2, 56.9%, 79.2%)
CMYK49.5%, 0%, 56.9%, 20.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,736,471
CSS custom property--colour: #66CA57;

Brightness & contrast

Relative luminance0.45754WCAG 2.x, 0 is black and 1 is white
Perceived brightness167.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.15:1
Contrast with white2.07:1WCAG normal text: Fail
Contrast with black10.15:1WCAG normal text: AAA
Greyscale equivalent#ACACAC
Inverted#9935A8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CFBA4Cno red cones; affects about 1% of men; ΔE 46.8 from the original
Deuteranopia#C1B160no green cones; the most common form, about 1% of men; ΔE 46.5 from the original
Tritanopia#5BC4B1no blue cones; rare, and affects men and women equally; ΔE 50.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.07:1WCAG large text: Fail
Contrast with black, large text10.15:1WCAG large text: AAA

Named colours

Light green · ΔE 17.8Pale green · ΔE 19.9Limegreen · ΔE 20.9Forest green · ΔE 23Yellow green · ΔE 23.3Medium seagreen · ΔE 25.1
Nearest named CSS colourLight green (#90EE90)ΔE 17.78, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB57CA
Analogous#A0CA57, #57CA82
Triadic#5766CA, #CA5766
Split complementary#8157CA, #CA57A0
Tetradic#57A0CA, #BB57CA, #CA8257

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F3FBF2
Lighter +30%#D0EFCB
Lighter +20%#ADE2A5
Lighter +10%#89D67E
Darker −10%#49B539
Darker −20%#3A8E2D
Darker −30%#2A6721
Darker −40%#1A4114
More saturated +25%#52E63B
Less saturated −25%#7AAE73

Channel breakdown

R102
G202
B87
Red102 (40%)
Green202 (79.2%)
Blue87 (34.1%)
Hue112.17°
Saturation (HSL)52.04%
Lightness56.67%
Dominant channelGreen
Hex per channelR 66 · G CA · B 57

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Every value on this page was computed from “66ca57” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.