#669E1C#669E1C

#669E1C is a light, vivid yellow-green. Relative luminance 0.274; OKLCH L 63.6% C 0.164 H 131.2°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#669E1C
RGB	rgb(102, 158, 28)
HSL	hsl(86, 70%, 36%)
HSV	hsv(86, 82%, 62%)
CMYK	cmyk(35.4%, 0%, 82.3%, 38%)
CIE-LAB	lab(59.31, -37.92, 56.20)
CIE-LCH	lch(59.31, 67.79, 124.01°)
OKLab	oklab(63.65% -0.1079 0.1234)
OKLCH	oklch(63.65% 0.164 131.2)
XYZ	xyz(17.9158, 27.3616, 5.4357)
Luminance	0.2736 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669E1C #541C9E

analogous

#9E951C #669E1C #259E1C

triadic

#669E1C #1C669E #9E1C66

tetradic

#669E1C #1C9E95 #541C9E #9E1C25

square

#669E1C #1C9E95 #541C9E #9E1C25

split-complementary

#669E1C #1C259E #951C9E

monochromatic

#23360A #446A13 #669E1C #88D225 #A4E154

Accessibility & contrast

On white

3.24

#669E1C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#669E1C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669E1C

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669E1C	#FFFFFF	#000000	##000000
##669E1C	1.00	3.24	6.47	6.47
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59100

Deuteranopia (green-blind)

#9E8D2B

Tritanopia (blue-blind)

#689787

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #669e1c;
/* rgb */ color: rgb(102, 158, 28);
/* oklch */ color: oklch(63.6% 0.164 131.2);

Tailwind

colors: {
  custom: {
    50: '#97bb65',
    500: '#669e1c',
    950: '#000000',
  },
}

SCSS

$custom: #669e1c;
$custom-light: #97bb65;
$custom-dark: #000000;

JSON

{
  "hex": "#669e1c",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 28
  },
  "hsl": {
    "h": 85.846,
    "s": 69.892,
    "l": 36.471
  },
  "oklch": {
    "l": 0.63649,
    "c": 0.16387,
    "h": 131.2
  },
  "luminance": 0.27362
}

Semantic roles & 50–950 ramp

primary

#669E1C

secondary

#8352C4

accent

#3BED88

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1206

muted

#7E817A

Preview Lab

Preview with #669E1C

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

Preview Lab → · Contrast checker → · Palette generator →