#66A829#66A829

#66A829 is a light, vivid yellow-green. Relative luminance 0.310; OKLCH L 66.3% C 0.170 H 133.5°. Best body text is #000000 at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#66A829
RGB	rgb(102, 168, 41)
HSL	hsl(91, 61%, 41%)
HSV	hsv(91, 76%, 66%)
CMYK	cmyk(39.3%, 0%, 75.6%, 34.1%)
CIE-LAB	lab(62.50, -41.55, 55.10)
CIE-LCH	lch(62.50, 69.01, 127.02°)
OKLab	oklab(66.28% -0.1168 0.1231)
OKLCH	oklch(66.28% 0.17 133.5)
XYZ	xyz(19.8820, 30.9892, 7.0313)
Luminance	0.3099 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A829 #6B29A8

analogous

#A5A829 #66A829 #29A82B

triadic

#66A829 #2966A8 #A82966

tetradic

#66A829 #29A5A8 #6B29A8 #A82B29

square

#66A829 #29A5A8 #6B29A8 #A82B29

split-complementary

#66A829 #2B29A8 #A829A5

monochromatic

#2A4611 #48771D #66A829 #84D03E #A4DC6F

Accessibility & contrast

On white

2.92

#66A829 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.20

#66A829 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A829

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A829	#FFFFFF	#000000	##000000
##66A829	1.00	2.92	7.20	7.20
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.20	21.00	1.00	1.00
##000000	7.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AF9A0D

Deuteranopia (green-blind)

#A69536

Tritanopia (blue-blind)

#66A190

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #66a829;
/* rgb */ color: rgb(102, 168, 41);
/* oklch */ color: oklch(66.3% 0.170 133.5);

Tailwind

colors: {
  custom: {
    50: '#97c26c',
    500: '#66a829',
    950: '#000000',
  },
}

SCSS

$custom: #66a829;
$custom-light: #97c26c;
$custom-dark: #000000;

JSON

{
  "hex": "#66a829",
  "rgb": {
    "r": 102,
    "g": 168,
    "b": 41
  },
  "hsl": {
    "h": 91.181,
    "s": 60.766,
    "l": 40.98
  },
  "oklch": {
    "l": 0.66279,
    "c": 0.16967,
    "h": 133.5
  },
  "luminance": 0.3099
}

Semantic roles & 50–950 ramp

primary

#66A829

secondary

#986AC3

accent

#44E497

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A829

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

Preview Lab → · Contrast checker → · Palette generator →