#669E38#669E38

#669E38 is a light, vivid yellow-green. Relative luminance 0.276; OKLCH L 63.9% C 0.146 H 133.5°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#669E38
RGB	rgb(102, 158, 56)
HSL	hsl(93, 48%, 42%)
HSV	hsv(93, 65%, 62%)
CMYK	cmyk(35.4%, 0%, 64.6%, 38%)
CIE-LAB	lab(59.49, -36.05, 46.08)
CIE-LCH	lch(59.49, 58.50, 128.04°)
OKLab	oklab(63.86% -0.1007 0.1062)
OKLCH	oklch(63.86% 0.146 133.5)
XYZ	xyz(18.4198, 27.5633, 8.0903)
Luminance	0.2756 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669E38 #70389E

analogous

#999E38 #669E38 #389E3D

triadic

#669E38 #38669E #9E3866

tetradic

#669E38 #38999E #70389E #9E3D38

square

#669E38 #38999E #70389E #9E3D38

split-complementary

#669E38 #3D389E #9E3899

monochromatic

#2C4418 #497128 #669E38 #84C252 #A4D27F

Accessibility & contrast

On white

3.22

#669E38 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#669E38 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669E38

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669E38	#FFFFFF	#000000	##000000
##669E38	1.00	3.22	6.51	6.51
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4922B

Deuteranopia (green-blind)

#9C8E40

Tritanopia (blue-blind)

#669889

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #669e38;
/* rgb */ color: rgb(102, 158, 56);
/* oklch */ color: oklch(63.9% 0.146 133.5);

Tailwind

colors: {
  custom: {
    50: '#95bb73',
    500: '#669e38',
    950: '#000000',
  },
}

SCSS

$custom: #669e38;
$custom-light: #95bb73;
$custom-dark: #000000;

JSON

{
  "hex": "#669e38",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 56
  },
  "hsl": {
    "h": 92.941,
    "s": 47.664,
    "l": 41.961
  },
  "oklch": {
    "l": 0.63859,
    "c": 0.14635,
    "h": 133.5
  },
  "luminance": 0.27564
}

Semantic roles & 50–950 ramp

primary

#669E38

secondary

#9C77BB

accent

#51D79B

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1208

muted

#7E817B

Preview Lab

Preview with #669E38

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

Preview Lab → · Contrast checker → · Palette generator →