#66A01F#66A01F

#66A01F is a light, vivid yellow-green. Relative luminance 0.281; OKLCH L 64.2% C 0.165 H 131.7°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#66A01F
RGB	rgb(102, 160, 31)
HSL	hsl(87, 68%, 37%)
HSV	hsv(87, 81%, 63%)
CMYK	cmyk(36.2%, 0%, 80.6%, 37.3%)
CIE-LAB	lab(59.95, -38.65, 55.91)
CIE-LCH	lch(59.95, 67.97, 124.66°)
OKLab	oklab(64.18% -0.1096 0.1232)
OKLCH	oklch(64.18% 0.165 131.7)
XYZ	xyz(18.2974, 28.0646, 5.7490)
Luminance	0.2807 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A01F #591FA0

analogous

#A09A1F #66A01F #25A01F

triadic

#66A01F #1F66A0 #A01F66

tetradic

#66A01F #1FA09A #591FA0 #A01F25

square

#66A01F #1FA09A #591FA0 #A01F25

split-complementary

#66A01F #1F25A0 #9A1FA0

monochromatic

#25390B #456D15 #66A01F #87D329 #A3DF5A

Accessibility & contrast

On white

3.18

#66A01F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#66A01F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A01F

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A01F	#FFFFFF	#000000	##000000
##66A01F	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A79300

Deuteranopia (green-blind)

#9F8F2E

Tritanopia (blue-blind)

#689988

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #66a01f;
/* rgb */ color: rgb(102, 160, 31);
/* oklch */ color: oklch(64.2% 0.165 131.7);

Tailwind

colors: {
  custom: {
    50: '#97bc67',
    500: '#66a01f',
    950: '#000000',
  },
}

SCSS

$custom: #66a01f;
$custom-light: #97bc67;
$custom-dark: #000000;

JSON

{
  "hex": "#66a01f",
  "rgb": {
    "r": 102,
    "g": 160,
    "b": 31
  },
  "hsl": {
    "h": 86.977,
    "s": 67.539,
    "l": 37.451
  },
  "oklch": {
    "l": 0.64176,
    "c": 0.16495,
    "h": 131.7
  },
  "luminance": 0.28065
}

Semantic roles & 50–950 ramp

primary

#66A01F

secondary

#8858C3

accent

#3DEA8B

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1206

muted

#7E817A

Preview Lab

Preview with #66A01F

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

Preview Lab → · Contrast checker → · Palette generator →