Nerdulator> put something in

Recognised as Colour

#66C17E

  • #66C17E
  • Green
  • Dark
  • Nearest: Medium seagreen

#66C17E is a green with RGB values 102, 193, 126 and HSL 136°, 42%, 58%. It is a dark colour, so black text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#66C17E#66C17E
HEX#66C17E
RGBrgb(102, 193, 126)
RGB (0–1)0.4, 0.7569, 0.4941
RGB percentages40%, 75.7%, 49.4%
HSLhsl(135.8, 42.3%, 57.8%)
HSV / HSBhsv(135.8, 47.2%, 75.7%)
CMYK47.2%, 0%, 34.7%, 24.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,734,206
CSS custom property--colour: #66C17E;

Brightness & contrast

Relative luminance0.42471WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.49:1
Contrast with white2.21:1WCAG normal text: Fail
Contrast with black9.49:1WCAG normal text: AAA
Greyscale equivalent#A9A9A9
Inverted#993E81

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C2B47Ano red cones; affects about 1% of men; ΔE 38.9 from the original
Deuteranopia#B5AB82no green cones; the most common form, about 1% of men; ΔE 39.1 from the original
Tritanopia#54BEB0no blue cones; rare, and affects men and women equally; ΔE 28.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.21:1WCAG large text: Fail
Contrast with black, large text9.49:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 8.7Medium aquamarine · ΔE 18.2Dark seagreen · ΔE 19.6Light green · ΔE 19.6Sea green · ΔE 20.5Pale green · ΔE 24.3
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 8.75, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C166A9
Analogous#7BC166, #66C1AC
Triadic#7E66C1, #C17E66
Split complementary#AC66C1, #C1667B
Tetradic#667BC1, #C166A9, #C1AB66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7FCF8
Lighter +30%#D3EDDA
Lighter +20%#AFDEBB
Lighter +10%#8AD09D
Darker −10%#46AE62
Darker −20%#38894D
Darker −30%#296539
Darker −40%#1A4124
More saturated +25%#4BDC71
Less saturated −25%#81A68B

Channel breakdown

R102
G193
B126
Red102 (40%)
Green193 (75.7%)
Blue126 (49.4%)
Hue135.82°
Saturation (HSL)42.33%
Lightness57.84%
Dominant channelGreen
Hex per channelR 66 · G C1 · B 7E

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “66c17e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.