#669B21#669B21

#669B21 is a light, vivid yellow-green. Relative luminance 0.264; OKLCH L 62.9% C 0.158 H 130.9°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#669B21
RGB	rgb(102, 155, 33)
HSL	hsl(86, 65%, 37%)
HSV	hsv(86, 79%, 61%)
CMYK	cmyk(34.2%, 0%, 78.7%, 39.2%)
CIE-LAB	lab(58.39, -36.34, 53.85)
CIE-LCH	lch(58.39, 64.96, 124.02°)
OKLab	oklab(62.91% -0.1033 0.1192)
OKLCH	oklch(62.91% 0.158 130.9)
XYZ	xyz(17.4752, 26.3766, 5.6090)
Luminance	0.2638 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669B21 #56219B

analogous

#9B9321 #669B21 #299B21

triadic

#669B21 #21669B #9B2166

tetradic

#669B21 #219B93 #56219B #9B2129

square

#669B21 #219B93 #56219B #9B2129

split-complementary

#669B21 #21299B #93219B

monochromatic

#24360C #456916 #669B21 #87CD2C #A4DC5A

Accessibility & contrast

On white

3.35

#669B21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#669B21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669B21

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669B21	#FFFFFF	#000000	##000000
##669B21	1.00	3.35	6.28	6.28
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A28F00

Deuteranopia (green-blind)

#9B8B2E

Tritanopia (blue-blind)

#689484

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #669b21;
/* rgb */ color: rgb(102, 155, 33);
/* oklch */ color: oklch(62.9% 0.158 130.9);

Tailwind

colors: {
  custom: {
    50: '#96b967',
    500: '#669b21',
    950: '#000000',
  },
}

SCSS

$custom: #669b21;
$custom-light: #96b967;
$custom-dark: #000000;

JSON

{
  "hex": "#669b21",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 33
  },
  "hsl": {
    "h": 86.066,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.6291,
    "c": 0.15773,
    "h": 130.9
  },
  "luminance": 0.26377
}

Semantic roles & 50–950 ramp

primary

#669B21

secondary

#8558C0

accent

#40E889

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1106

muted

#7E807A

Preview Lab

Preview with #669B21

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

Preview Lab → · Contrast checker → · Palette generator →