#669D1F#669D1F

#669D1F is a light, vivid yellow-green. Relative luminance 0.270; OKLCH L 63.4% C 0.161 H 131.2°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#669D1F
RGB	rgb(102, 157, 31)
HSL	hsl(86, 67%, 37%)
HSV	hsv(86, 80%, 62%)
CMYK	cmyk(35%, 0%, 80.3%, 38.4%)
CIE-LAB	lab(59.01, -37.34, 55.05)
CIE-LCH	lch(59.01, 66.51, 124.15°)
OKLab	oklab(63.41% -0.1061 0.1214)
OKLCH	oklch(63.41% 0.161 131.2)
XYZ	xyz(17.7836, 27.0370, 5.5777)
Luminance	0.2704 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669D1F #561F9D

analogous

#9D951F #669D1F #279D1F

triadic

#669D1F #1F669D #9D1F66

tetradic

#669D1F #1F9D95 #561F9D #9D1F27

square

#669D1F #1F9D95 #561F9D #9D1F27

split-complementary

#669D1F #1F279D #951F9D

monochromatic

#24370B #456A15 #669D1F #87D029 #A4DE58

Accessibility & contrast

On white

3.28

#669D1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#669D1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669D1F

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669D1F	#FFFFFF	#000000	##000000
##669D1F	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A49100

Deuteranopia (green-blind)

#9D8D2D

Tritanopia (blue-blind)

#689686

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #669d1f;
/* rgb */ color: rgb(102, 157, 31);
/* oklch */ color: oklch(63.4% 0.161 131.2);

Tailwind

colors: {
  custom: {
    50: '#97ba66',
    500: '#669d1f',
    950: '#000000',
  },
}

SCSS

$custom: #669d1f;
$custom-light: #97ba66;
$custom-dark: #000000;

JSON

{
  "hex": "#669d1f",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 31
  },
  "hsl": {
    "h": 86.19,
    "s": 67.021,
    "l": 36.863
  },
  "oklch": {
    "l": 0.63409,
    "c": 0.16124,
    "h": 131.2
  },
  "luminance": 0.27038
}

Semantic roles & 50–950 ramp

primary

#669D1F

secondary

#8556C2

accent

#3EEA89

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1106

muted

#7E807A

Preview Lab

Preview with #669D1F

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

Preview Lab → · Contrast checker → · Palette generator →