#669E21#669E21

#669E21 is a light, vivid yellow-green. Relative luminance 0.274; OKLCH L 63.7% C 0.161 H 131.4°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#669E21
RGB	rgb(102, 158, 33)
HSL	hsl(87, 65%, 37%)
HSV	hsv(87, 79%, 62%)
CMYK	cmyk(35.4%, 0%, 79.1%, 38%)
CIE-LAB	lab(59.33, -37.68, 54.73)
CIE-LCH	lch(59.33, 66.44, 124.54°)
OKLab	oklab(63.68% -0.1069 0.1211)
OKLCH	oklch(63.68% 0.161 131.4)
XYZ	xyz(17.9807, 27.3876, 5.7775)
Luminance	0.2739 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669E21 #59219E

analogous

#9E9821 #669E21 #289E21

triadic

#669E21 #21669E #9E2166

tetradic

#669E21 #219E98 #59219E #9E2128

square

#669E21 #219E98 #59219E #9E2128

split-complementary

#669E21 #21289E #98219E

monochromatic

#25390C #456B16 #669E21 #87D12C #A3DD5C

Accessibility & contrast

On white

3.24

#669E21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#669E21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669E21

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669E21	#FFFFFF	#000000	##000000
##669E21	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59200

Deuteranopia (green-blind)

#9E8D2E

Tritanopia (blue-blind)

#689787

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #669e21;
/* rgb */ color: rgb(102, 158, 33);
/* oklch */ color: oklch(63.7% 0.161 131.4);

Tailwind

colors: {
  custom: {
    50: '#97bb67',
    500: '#669e21',
    950: '#000000',
  },
}

SCSS

$custom: #669e21;
$custom-light: #97bb67;
$custom-dark: #000000;

JSON

{
  "hex": "#669e21",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 33
  },
  "hsl": {
    "h": 86.88,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.63676,
    "c": 0.16149,
    "h": 131.4
  },
  "luminance": 0.27388
}

Semantic roles & 50–950 ramp

primary

#669E21

secondary

#8859C1

accent

#3FE88B

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #669E21

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

Preview Lab → · Contrast checker → · Palette generator →