#668C21#668C21

#668C21 is a mid, vivid yellow-green. Relative luminance 0.217; OKLCH L 59.1% C 0.139 H 127.6°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#668C21
RGB	rgb(102, 140, 33)
HSL	hsl(81, 62%, 34%)
HSV	hsv(81, 76%, 55%)
CMYK	cmyk(27.1%, 0%, 76.4%, 45.1%)
CIE-LAB	lab(53.70, -29.43, 49.38)
CIE-LCH	lch(53.70, 57.48, 120.79°)
OKLab	oklab(59.09% -0.0845 0.1098)
OKLCH	oklch(59.09% 0.139 127.6)
XYZ	xyz(15.1321, 21.6904, 4.8280)
Luminance	0.2169 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668C21 #47218C

analogous

#8C7D21 #668C21 #318C21

triadic

#668C21 #21668C #8C2166

tetradic

#668C21 #218C7D #47218C #8C2131

square

#668C21 #218C7D #47218C #8C2131

split-complementary

#668C21 #21318C #7D218C

monochromatic

#1E290A #425A15 #668C21 #8ABE2D #A7D651

Accessibility & contrast

On white

3.93

#668C21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#668C21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668C21

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668C21	#FFFFFF	#000000	##000000
##668C21	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938209

Deuteranopia (green-blind)

#8E802B

Tritanopia (blue-blind)

#6A8578

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #668c21;
/* rgb */ color: rgb(102, 140, 33);
/* oklch */ color: oklch(59.1% 0.139 127.6);

Tailwind

colors: {
  custom: {
    50: '#95ad65',
    500: '#668c21',
    950: '#000000',
  },
}

SCSS

$custom: #668c21;
$custom-light: #95ad65;
$custom-dark: #000000;

JSON

{
  "hex": "#668c21",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 33
  },
  "hsl": {
    "h": 81.308,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.59088,
    "c": 0.13858,
    "h": 127.6
  },
  "luminance": 0.21691
}

Semantic roles & 50–950 ramp

primary

#668C21

secondary

#754FB9

accent

#43E57C

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #668C21

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

Preview Lab → · Contrast checker → · Palette generator →