#669B40#669B40

#669B40 is a light, vivid yellow-green. Relative luminance 0.266; OKLCH L 63.2% C 0.135 H 134.1°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#669B40
RGB	rgb(102, 155, 64)
HSL	hsl(95, 42%, 43%)
HSV	hsv(95, 59%, 61%)
CMYK	cmyk(34.2%, 0%, 58.7%, 39.2%)
CIE-LAB	lab(58.64, -33.91, 41.45)
CIE-LCH	lch(58.64, 53.55, 129.29°)
OKLab	oklab(63.19% -0.0942 0.0972)
OKLCH	oklch(63.19% 0.135 134.1)
XYZ	xyz(18.1259, 26.6369, 9.0359)
Luminance	0.2664 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669B40 #75409B

analogous

#939B40 #669B40 #409B47

triadic

#669B40 #40669B #9B4066

tetradic

#669B40 #40939B #75409B #9B4740

square

#669B40 #40939B #75409B #9B4740

split-complementary

#669B40 #47409B #9B4093

monochromatic

#2D441C #49702E #669B40 #84BC5C #A5CE88

Accessibility & contrast

On white

3.32

#669B40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#669B40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669B40

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669B40	#FFFFFF	#000000	##000000
##669B40	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A19037

Deuteranopia (green-blind)

#998B47

Tritanopia (blue-blind)

#669587

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #669b40;
/* rgb */ color: rgb(102, 155, 64);
/* oklch */ color: oklch(63.2% 0.135 134.1);

Tailwind

colors: {
  custom: {
    50: '#95b978',
    500: '#669b40',
    950: '#000000',
  },
}

SCSS

$custom: #669b40;
$custom-light: #95b978;
$custom-dark: #000000;

JSON

{
  "hex": "#669b40",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 64
  },
  "hsl": {
    "h": 94.945,
    "s": 41.553,
    "l": 42.941
  },
  "oklch": {
    "l": 0.63187,
    "c": 0.13536,
    "h": 134.1
  },
  "luminance": 0.26638
}

Semantic roles & 50–950 ramp

primary

#669B40

secondary

#A07EB8

accent

#56D19E

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0D1109

muted

#7E807B

Preview Lab

Preview with #669B40

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

Preview Lab → · Contrast checker → · Palette generator →