#669E1B#669E1B

#669E1B is a light, vivid yellow-green. Relative luminance 0.274; OKLCH L 63.6% C 0.164 H 131.1°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#669E1B
RGB	rgb(102, 158, 27)
HSL	hsl(86, 71%, 36%)
HSV	hsv(86, 83%, 62%)
CMYK	cmyk(35.4%, 0%, 82.9%, 38%)
CIE-LAB	lab(59.30, -37.96, 56.47)
CIE-LCH	lch(59.30, 68.05, 123.91°)
OKLab	oklab(63.64% -0.108 0.1238)
OKLCH	oklch(63.64% 0.164 131.1)
XYZ	xyz(17.9040, 27.3569, 5.3738)
Luminance	0.2736 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669E1B #531B9E

analogous

#9E951B #669E1B #259E1B

triadic

#669E1B #1B669E #9E1B66

tetradic

#669E1B #1B9E95 #531B9E #9E1B25

square

#669E1B #1B9E95 #531B9E #9E1B25

split-complementary

#669E1B #1B259E #951B9E

monochromatic

#233509 #446A12 #669E1B #88D224 #A4E152

Accessibility & contrast

On white

3.24

#669E1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#669E1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669E1B

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669E1B	#FFFFFF	#000000	##000000
##669E1B	1.00	3.24	6.47	6.47
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59100

Deuteranopia (green-blind)

#9E8D2B

Tritanopia (blue-blind)

#689787

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #669e1b;
/* rgb */ color: rgb(102, 158, 27);
/* oklch */ color: oklch(63.6% 0.164 131.1);

Tailwind

colors: {
  custom: {
    50: '#97bb65',
    500: '#669e1b',
    950: '#000000',
  },
}

SCSS

$custom: #669e1b;
$custom-light: #97bb65;
$custom-dark: #000000;

JSON

{
  "hex": "#669e1b",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 27
  },
  "hsl": {
    "h": 85.649,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.63644,
    "c": 0.16431,
    "h": 131.1
  },
  "luminance": 0.27358
}

Semantic roles & 50–950 ramp

primary

#669E1B

secondary

#8251C4

accent

#3AEE87

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1206

muted

#7E817A

Preview Lab

Preview with #669E1B

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

Preview Lab → · Contrast checker → · Palette generator →