#669D28#669D28

#669D28 is a light, vivid yellow-green. Relative luminance 0.271; OKLCH L 63.5% C 0.156 H 131.7°. Best body text is #000000 at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#669D28
RGB	rgb(102, 157, 40)
HSL	hsl(88, 59%, 39%)
HSV	hsv(88, 75%, 62%)
CMYK	cmyk(35%, 0%, 74.5%, 38.4%)
CIE-LAB	lab(59.06, -36.83, 52.09)
CIE-LCH	lch(59.06, 63.79, 125.26°)
OKLab	oklab(63.47% -0.1041 0.1166)
OKLCH	oklch(63.47% 0.156 131.7)
XYZ	xyz(17.9193, 27.0912, 6.2921)
Luminance	0.2709 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669D28 #5F289D

analogous

#9D9928 #669D28 #2B9D28

triadic

#669D28 #28669D #9D2866

tetradic

#669D28 #289D99 #5F289D #9D282B

square

#669D28 #289D99 #5F289D #9D282B

split-complementary

#669D28 #282B9D #99289D

monochromatic

#273B0F #466C1C #669D28 #86CC36 #A3D867

Accessibility & contrast

On white

3.27

#669D28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.42

#669D28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669D28

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669D28	#FFFFFF	#000000	##000000
##669D28	1.00	3.27	6.42	6.42
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.42	21.00	1.00	1.00
##000000	6.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A49111

Deuteranopia (green-blind)

#9C8D33

Tritanopia (blue-blind)

#689686

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #669d28;
/* rgb */ color: rgb(102, 157, 40);
/* oklch */ color: oklch(63.5% 0.156 131.7);

Tailwind

colors: {
  custom: {
    50: '#96ba6a',
    500: '#669d28',
    950: '#000000',
  },
}

SCSS

$custom: #669d28;
$custom-light: #96ba6a;
$custom-dark: #000000;

JSON

{
  "hex": "#669d28",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 40
  },
  "hsl": {
    "h": 88.205,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.63466,
    "c": 0.15631,
    "h": 131.7
  },
  "luminance": 0.27092
}

Semantic roles & 50–950 ramp

primary

#669D28

secondary

#8E62BE

accent

#45E38F

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1107

muted

#7E807A

Preview Lab

Preview with #669D28

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

Preview Lab → · Contrast checker → · Palette generator →