#669D1C#669D1C

#669D1C is a light, vivid yellow-green. Relative luminance 0.270; OKLCH L 63.4% C 0.163 H 131.0°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#669D1C
RGB	rgb(102, 157, 28)
HSL	hsl(86, 70%, 36%)
HSV	hsv(86, 82%, 62%)
CMYK	cmyk(35%, 0%, 82.2%, 38.4%)
CIE-LAB	lab(58.99, -37.48, 55.91)
CIE-LCH	lch(58.99, 67.31, 123.83°)
OKLab	oklab(63.39% -0.1067 0.1228)
OKLCH	oklch(63.39% 0.163 131)
XYZ	xyz(17.7459, 27.0219, 5.3791)
Luminance	0.2702 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669D1C #531C9D

analogous

#9D941C #669D1C #269D1C

triadic

#669D1C #1C669D #9D1C66

tetradic

#669D1C #1C9D94 #531C9D #9D1C26

square

#669D1C #1C9D94 #531C9D #9D1C26

split-complementary

#669D1C #1C269D #941C9D

monochromatic

#233509 #446913 #669D1C #88D125 #A4E053

Accessibility & contrast

On white

3.28

#669D1C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#669D1C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669D1C

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669D1C	#FFFFFF	#000000	##000000
##669D1C	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A49100

Deuteranopia (green-blind)

#9D8D2B

Tritanopia (blue-blind)

#689686

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #669d1c;
/* rgb */ color: rgb(102, 157, 28);
/* oklch */ color: oklch(63.4% 0.163 131.0);

Tailwind

colors: {
  custom: {
    50: '#97ba65',
    500: '#669d1c',
    950: '#000000',
  },
}

SCSS

$custom: #669d1c;
$custom-light: #97ba65;
$custom-dark: #000000;

JSON

{
  "hex": "#669d1c",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 28
  },
  "hsl": {
    "h": 85.581,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.63394,
    "c": 0.16264,
    "h": 131
  },
  "luminance": 0.27023
}

Semantic roles & 50–950 ramp

primary

#669D1C

secondary

#8251C3

accent

#3BED87

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1106

muted

#7E807A

Preview Lab

Preview with #669D1C

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

Preview Lab → · Contrast checker → · Palette generator →