#669C33#669C33

#669C33 is a light, vivid yellow-green. Relative luminance 0.268; OKLCH L 63.3% C 0.148 H 132.6°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#669C33
RGB	rgb(102, 156, 51)
HSL	hsl(91, 51%, 41%)
HSV	hsv(91, 67%, 61%)
CMYK	cmyk(34.6%, 0%, 67.3%, 38.8%)
CIE-LAB	lab(58.83, -35.58, 47.52)
CIE-LCH	lch(58.83, 59.36, 126.82°)
OKLab	oklab(63.3% -0.0998 0.1086)
OKLCH	oklch(63.3% 0.148 132.6)
XYZ	xyz(17.9652, 26.8400, 7.3654)
Luminance	0.2684 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669C33 #69339C

analogous

#9A9C33 #669C33 #339C34

triadic

#669C33 #33669C #9C3366

tetradic

#669C33 #339A9C #69339C #9C3433

square

#669C33 #339A9C #69339C #9C3433

split-complementary

#669C33 #34339C #9C339A

monochromatic

#2A4015 #486E24 #669C33 #84C349 #A3D377

Accessibility & contrast

On white

3.30

#669C33 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#669C33 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669C33

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669C33	#FFFFFF	#000000	##000000
##669C33	1.00	3.30	6.37	6.37
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A29025

Deuteranopia (green-blind)

#9B8C3C

Tritanopia (blue-blind)

#679687

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #669c33;
/* rgb */ color: rgb(102, 156, 51);
/* oklch */ color: oklch(63.3% 0.148 132.6);

Tailwind

colors: {
  custom: {
    50: '#96b970',
    500: '#669c33',
    950: '#000000',
  },
}

SCSS

$custom: #669c33;
$custom-light: #96b970;
$custom-dark: #000000;

JSON

{
  "hex": "#669c33",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 51
  },
  "hsl": {
    "h": 90.857,
    "s": 50.725,
    "l": 40.588
  },
  "oklch": {
    "l": 0.63302,
    "c": 0.14751,
    "h": 132.6
  },
  "luminance": 0.26841
}

Semantic roles & 50–950 ramp

primary

#669C33

secondary

#9670BB

accent

#4EDA96

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1108

muted

#7E807B

Preview Lab

Preview with #669C33

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

Preview Lab → · Contrast checker → · Palette generator →