#669E28#669E28

#669E28 is a light, vivid yellow-green. Relative luminance 0.274; OKLCH L 63.7% C 0.158 H 131.9°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#669E28
RGB	rgb(102, 158, 40)
HSL	hsl(88, 60%, 39%)
HSV	hsv(88, 75%, 62%)
CMYK	cmyk(35.4%, 0%, 74.7%, 38%)
CIE-LAB	lab(59.37, -37.27, 52.40)
CIE-LCH	lch(59.37, 64.30, 125.42°)
OKLab	oklab(63.72% -0.1053 0.1173)
OKLCH	oklch(63.72% 0.158 131.9)
XYZ	xyz(18.0892, 27.4310, 6.3487)
Luminance	0.2743 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669E28 #60289E

analogous

#9E9B28 #669E28 #2B9E28

triadic

#669E28 #28669E #9E2866

tetradic

#669E28 #289E9B #60289E #9E282B

square

#669E28 #289E9B #60289E #9E282B

split-complementary

#669E28 #282B9E #9B289E

monochromatic

#273C0F #466D1C #669E28 #85CC37 #A3D968

Accessibility & contrast

On white

3.24

#669E28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#669E28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669E28

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669E28	#FFFFFF	#000000	##000000
##669E28	1.00	3.24	6.49	6.49
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59210

Deuteranopia (green-blind)

#9D8D33

Tritanopia (blue-blind)

#679787

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #669e28;
/* rgb */ color: rgb(102, 158, 40);
/* oklch */ color: oklch(63.7% 0.158 131.9);

Tailwind

colors: {
  custom: {
    50: '#96bb6a',
    500: '#669e28',
    950: '#000000',
  },
}

SCSS

$custom: #669e28;
$custom-light: #96bb6a;
$custom-dark: #000000;

JSON

{
  "hex": "#669e28",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 40
  },
  "hsl": {
    "h": 88.475,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.63721,
    "c": 0.15759,
    "h": 131.9
  },
  "luminance": 0.27432
}

Semantic roles & 50–950 ramp

primary

#669E28

secondary

#8F63BF

accent

#45E390

background

#F9FBF6

surface

#F2F6EC

border

#CCD0C7

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #669E28

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

Preview Lab → · Contrast checker → · Palette generator →