#66A91F#66A91F

#66A91F is a light, vivid yellow-green. Relative luminance 0.313; OKLCH L 66.5% C 0.176 H 133.0°. Best body text is #000000 at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#66A91F
RGB	rgb(102, 169, 31)
HSL	hsl(89, 69%, 39%)
HSV	hsv(89, 82%, 66%)
CMYK	cmyk(39.6%, 0%, 81.7%, 33.7%)
CIE-LAB	lab(62.76, -42.51, 58.49)
CIE-LCH	lch(62.76, 72.30, 126.01°)
OKLab	oklab(66.47% -0.12 0.1286)
OKLCH	oklch(66.47% 0.176 133)
XYZ	xyz(19.9145, 31.2987, 6.2880)
Luminance	0.3130 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A91F #621FA9

analogous

#A9A71F #66A91F #21A91F

triadic

#66A91F #1F66A9 #A91F66

tetradic

#66A91F #1FA9A7 #621FA9 #A91F21

square

#66A91F #1FA9A7 #621FA9 #A91F21

split-complementary

#66A91F #1F21A9 #A71FA9

monochromatic

#28420C #477516 #66A91F #85D82D #A3E260

Accessibility & contrast

On white

2.89

#66A91F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.26

#66A91F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A91F

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A91F	#FFFFFF	#000000	##000000
##66A91F	1.00	2.89	7.26	7.26
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.26	21.00	1.00	1.00
##000000	7.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09B00

Deuteranopia (green-blind)

#A7962F

Tritanopia (blue-blind)

#66A290

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #66a91f;
/* rgb */ color: rgb(102, 169, 31);
/* oklch */ color: oklch(66.5% 0.176 133.0);

Tailwind

colors: {
  custom: {
    50: '#98c368',
    500: '#66a91f',
    950: '#000000',
  },
}

SCSS

$custom: #66a91f;
$custom-light: #98c368;
$custom-dark: #000000;

JSON

{
  "hex": "#66a91f",
  "rgb": {
    "r": 102,
    "g": 169,
    "b": 31
  },
  "hsl": {
    "h": 89.13,
    "s": 69,
    "l": 39.216
  },
  "oklch": {
    "l": 0.66475,
    "c": 0.17595,
    "h": 133
  },
  "luminance": 0.313
}

Semantic roles & 50–950 ramp

primary

#66A91F

secondary

#905DC7

accent

#3CEC91

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A91F

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

Preview Lab → · Contrast checker → · Palette generator →