#669A21#669A21

#669A21 is a light, vivid yellow-green. Relative luminance 0.260; OKLCH L 62.7% C 0.156 H 130.7°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#669A21
RGB	rgb(102, 154, 33)
HSL	hsl(86, 65%, 37%)
HSV	hsv(86, 79%, 60%)
CMYK	cmyk(33.8%, 0%, 78.6%, 39.6%)
CIE-LAB	lab(58.08, -35.90, 53.55)
CIE-LCH	lch(58.08, 64.47, 123.84°)
OKLab	oklab(62.66% -0.1021 0.1186)
OKLCH	oklch(62.66% 0.156 130.7)
XYZ	xyz(17.3095, 26.0452, 5.5538)
Luminance	0.2605 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669A21 #55219A

analogous

#9A9221 #669A21 #2A9A21

triadic

#669A21 #21669A #9A2166

tetradic

#669A21 #219A92 #55219A #9A212A

square

#669A21 #219A92 #55219A #9A212A

split-complementary

#669A21 #212A9A #92219A

monochromatic

#23350B #456816 #669A21 #87CC2C #A4DC5A

Accessibility & contrast

On white

3.38

#669A21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#669A21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669A21

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669A21	#FFFFFF	#000000	##000000
##669A21	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A18E00

Deuteranopia (green-blind)

#9A8A2E

Tritanopia (blue-blind)

#689383

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #669a21;
/* rgb */ color: rgb(102, 154, 33);
/* oklch */ color: oklch(62.7% 0.156 130.7);

Tailwind

colors: {
  custom: {
    50: '#96b867',
    500: '#669a21',
    950: '#000000',
  },
}

SCSS

$custom: #669a21;
$custom-light: #96b867;
$custom-dark: #000000;

JSON

{
  "hex": "#669a21",
  "rgb": {
    "r": 102,
    "g": 154,
    "b": 33
  },
  "hsl": {
    "h": 85.785,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.62655,
    "c": 0.15647,
    "h": 130.7
  },
  "luminance": 0.26046
}

Semantic roles & 50–950 ramp

primary

#669A21

secondary

#8457C0

accent

#40E888

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1106

muted

#7E807A

Preview Lab

Preview with #669A21

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

Preview Lab → · Contrast checker → · Palette generator →