#669D33#669D33

#669D33 is a light, vivid yellow-green. Relative luminance 0.272; OKLCH L 63.6% C 0.149 H 132.7°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#669D33
RGB	rgb(102, 157, 51)
HSL	hsl(91, 51%, 41%)
HSV	hsv(91, 68%, 62%)
CMYK	cmyk(35%, 0%, 67.5%, 38.4%)
CIE-LAB	lab(59.14, -36.03, 47.85)
CIE-LCH	lch(59.14, 59.90, 126.98°)
OKLab	oklab(63.56% -0.101 0.1093)
OKLCH	oklch(63.56% 0.149 132.7)
XYZ	xyz(18.1337, 27.1770, 7.4216)
Luminance	0.2718 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669D33 #6A339D

analogous

#9B9D33 #669D33 #339D35

triadic

#669D33 #33669D #9D3366

tetradic

#669D33 #339B9D #6A339D #9D3533

square

#669D33 #339B9D #6A339D #9D3533

split-complementary

#669D33 #35339D #9D339B

monochromatic

#2A4115 #486F24 #669D33 #84C449 #A3D377

Accessibility & contrast

On white

3.26

#669D33 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#669D33 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669D33

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669D33	#FFFFFF	#000000	##000000
##669D33	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A39125

Deuteranopia (green-blind)

#9C8D3C

Tritanopia (blue-blind)

#679787

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #669d33;
/* rgb */ color: rgb(102, 157, 51);
/* oklch */ color: oklch(63.6% 0.149 132.7);

Tailwind

colors: {
  custom: {
    50: '#96ba70',
    500: '#669d33',
    950: '#000000',
  },
}

SCSS

$custom: #669d33;
$custom-light: #96ba70;
$custom-dark: #000000;

JSON

{
  "hex": "#669d33",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 51
  },
  "hsl": {
    "h": 91.132,
    "s": 50.962,
    "l": 40.784
  },
  "oklch": {
    "l": 0.63556,
    "c": 0.14886,
    "h": 132.7
  },
  "luminance": 0.27178
}

Semantic roles & 50–950 ramp

primary

#669D33

secondary

#9770BB

accent

#4DDA97

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1108

muted

#7E807B

Preview Lab

Preview with #669D33

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

Preview Lab → · Contrast checker → · Palette generator →