#66A927#66A927

#66A927 is a light, vivid yellow-green. Relative luminance 0.313; OKLCH L 66.5% C 0.172 H 133.5°. Best body text is #000000 at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#66A927
RGB	rgb(102, 169, 39)
HSL	hsl(91, 63%, 41%)
HSV	hsv(91, 77%, 66%)
CMYK	cmyk(39.6%, 0%, 76.9%, 33.7%)
CIE-LAB	lab(62.80, -42.09, 56.07)
CIE-LCH	lch(62.80, 70.11, 126.89°)
OKLab	oklab(66.52% -0.1184 0.1248)
OKLCH	oklch(66.52% 0.172 133.5)
XYZ	xyz(20.0333, 31.3462, 6.9139)
Luminance	0.3135 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A927 #6A27A9

analogous

#A7A927 #66A927 #27A929

triadic

#66A927 #2766A9 #A92766

tetradic

#66A927 #27A7A9 #6A27A9 #A92927

square

#66A927 #27A7A9 #6A27A9 #A92927

split-complementary

#66A927 #2927A9 #A927A7

monochromatic

#2A4610 #48771C #66A927 #84D23B #A3DD6D

Accessibility & contrast

On white

2.89

#66A927 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.27

#66A927 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A927

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A927	#FFFFFF	#000000	##000000
##66A927	1.00	2.89	7.27	7.27
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.27	21.00	1.00	1.00
##000000	7.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09B06

Deuteranopia (green-blind)

#A79635

Tritanopia (blue-blind)

#66A291

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #66a927;
/* rgb */ color: rgb(102, 169, 39);
/* oklch */ color: oklch(66.5% 0.172 133.5);

Tailwind

colors: {
  custom: {
    50: '#97c36b',
    500: '#66a927',
    950: '#000000',
  },
}

SCSS

$custom: #66a927;
$custom-light: #97c36b;
$custom-dark: #000000;

JSON

{
  "hex": "#66a927",
  "rgb": {
    "r": 102,
    "g": 169,
    "b": 39
  },
  "hsl": {
    "h": 90.923,
    "s": 62.5,
    "l": 40.784
  },
  "oklch": {
    "l": 0.66521,
    "c": 0.17202,
    "h": 133.5
  },
  "luminance": 0.31347
}

Semantic roles & 50–950 ramp

primary

#66A927

secondary

#9768C4

accent

#42E696

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A927

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →