#669E1F#669E1F

#669E1F is a light, vivid yellow-green. Relative luminance 0.274; OKLCH L 63.7% C 0.162 H 131.3°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#669E1F
RGB	rgb(102, 158, 31)
HSL	hsl(86, 67%, 37%)
HSV	hsv(86, 80%, 62%)
CMYK	cmyk(35.4%, 0%, 80.4%, 38%)
CIE-LAB	lab(59.32, -37.78, 55.34)
CIE-LCH	lch(59.32, 67.00, 124.32°)
OKLab	oklab(63.67% -0.1073 0.122)
OKLCH	oklch(63.67% 0.162 131.3)
XYZ	xyz(17.9535, 27.3767, 5.6343)
Luminance	0.2738 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669E1F #571F9E

analogous

#9E971F #669E1F #269E1F

triadic

#669E1F #1F669E #9E1F66

tetradic

#669E1F #1F9E97 #571F9E #9E1F26

square

#669E1F #1F9E97 #571F9E #9E1F26

split-complementary

#669E1F #1F269E #971F9E

monochromatic

#24380B #456B15 #669E1F #87D129 #A4DE59

Accessibility & contrast

On white

3.24

#669E1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#669E1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669E1F

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669E1F	#FFFFFF	#000000	##000000
##669E1F	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59200

Deuteranopia (green-blind)

#9E8D2D

Tritanopia (blue-blind)

#689787

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #669e1f;
/* rgb */ color: rgb(102, 158, 31);
/* oklch */ color: oklch(63.7% 0.162 131.3);

Tailwind

colors: {
  custom: {
    50: '#97bb66',
    500: '#669e1f',
    950: '#000000',
  },
}

SCSS

$custom: #669e1f;
$custom-light: #97bb66;
$custom-dark: #000000;

JSON

{
  "hex": "#669e1f",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 31
  },
  "hsl": {
    "h": 86.457,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.63665,
    "c": 0.16248,
    "h": 131.3
  },
  "luminance": 0.27377
}

Semantic roles & 50–950 ramp

primary

#669E1F

secondary

#8656C2

accent

#3EEA8A

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1206

muted

#7E817A

Preview Lab

Preview with #669E1F

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

Preview Lab → · Contrast checker → · Palette generator →