#669D3D#669D3D

#669D3D is a light, vivid yellow-green. Relative luminance 0.273; OKLCH L 63.7% C 0.141 H 134.0°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#669D3D
RGB	rgb(102, 157, 61)
HSL	hsl(94, 44%, 43%)
HSV	hsv(94, 61%, 62%)
CMYK	cmyk(35%, 0%, 61.1%, 38.4%)
CIE-LAB	lab(59.23, -35.13, 43.53)
CIE-LCH	lch(59.23, 55.93, 128.90°)
OKLab	oklab(63.66% -0.0978 0.1014)
OKLCH	oklch(63.66% 0.141 134)
XYZ	xyz(18.3784, 27.2749, 8.7102)
Luminance	0.2728 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669D3D #743D9D

analogous

#969D3D #669D3D #3D9D44

triadic

#669D3D #3D669D #9D3D66

tetradic

#669D3D #3D969D #743D9D #9D443D

square

#669D3D #3D969D #743D9D #9D443D

split-complementary

#669D3D #443D9D #9D3D96

monochromatic

#2D451B #49712C #669D3D #84BE59 #A5D085

Accessibility & contrast

On white

3.25

#669D3D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.46

#669D3D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669D3D

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669D3D	#FFFFFF	#000000	##000000
##669D3D	1.00	3.25	6.46	6.46
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.46	21.00	1.00	1.00
##000000	6.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A39132

Deuteranopia (green-blind)

#9B8D44

Tritanopia (blue-blind)

#669788

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #669d3d;
/* rgb */ color: rgb(102, 157, 61);
/* oklch */ color: oklch(63.7% 0.141 134.0);

Tailwind

colors: {
  custom: {
    50: '#95ba76',
    500: '#669d3d',
    950: '#000000',
  },
}

SCSS

$custom: #669d3d;
$custom-light: #95ba76;
$custom-dark: #000000;

JSON

{
  "hex": "#669d3d",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 61
  },
  "hsl": {
    "h": 94.375,
    "s": 44.037,
    "l": 42.745
  },
  "oklch": {
    "l": 0.63659,
    "c": 0.14084,
    "h": 134
  },
  "luminance": 0.27276
}

Semantic roles & 50–950 ramp

primary

#669D3D

secondary

#9F7CBA

accent

#54D49D

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1109

muted

#7E807B

Preview Lab

Preview with #669D3D

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

Preview Lab → · Contrast checker → · Palette generator →