#669D3B#669D3B

#669D3B is a light, vivid yellow-green. Relative luminance 0.273; OKLCH L 63.6% C 0.143 H 133.7°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#669D3B
RGB	rgb(102, 157, 59)
HSL	hsl(94, 45%, 42%)
HSV	hsv(94, 62%, 62%)
CMYK	cmyk(35%, 0%, 62.4%, 38.4%)
CIE-LAB	lab(59.21, -35.32, 44.42)
CIE-LCH	lch(59.21, 56.75, 128.49°)
OKLab	oklab(63.64% -0.0984 0.1031)
OKLCH	oklch(63.64% 0.143 133.7)
XYZ	xyz(18.3255, 27.2537, 8.4318)
Luminance	0.2725 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669D3B #723B9D

analogous

#979D3B #669D3B #3B9D41

triadic

#669D3B #3B669D #9D3B66

tetradic

#669D3B #3B979D #723B9D #9D413B

square

#669D3B #3B979D #723B9D #9D413B

split-complementary

#669D3B #413B9D #9D3B97

monochromatic

#2C441A #49712A #669D3B #84BF56 #A4D082

Accessibility & contrast

On white

3.26

#669D3B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#669D3B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669D3B

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669D3B	#FFFFFF	#000000	##000000
##669D3B	1.00	3.26	6.45	6.45
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A39130

Deuteranopia (green-blind)

#9B8D42

Tritanopia (blue-blind)

#669788

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #669d3b;
/* rgb */ color: rgb(102, 157, 59);
/* oklch */ color: oklch(63.6% 0.143 133.7);

Tailwind

colors: {
  custom: {
    50: '#95ba75',
    500: '#669d3b',
    950: '#000000',
  },
}

SCSS

$custom: #669d3b;
$custom-light: #95ba75;
$custom-dark: #000000;

JSON

{
  "hex": "#669d3b",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 59
  },
  "hsl": {
    "h": 93.673,
    "s": 45.37,
    "l": 42.353
  },
  "oklch": {
    "l": 0.63636,
    "c": 0.14253,
    "h": 133.7
  },
  "luminance": 0.27254
}

Semantic roles & 50–950 ramp

primary

#669D3B

secondary

#9E7ABA

accent

#53D59C

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1108

muted

#7E807B

Preview Lab

Preview with #669D3B

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

Preview Lab → · Contrast checker → · Palette generator →