#668E21#668E21

#668E21 is a mid, vivid yellow-green. Relative luminance 0.223; OKLCH L 59.6% C 0.141 H 128.1°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#668E21
RGB	rgb(102, 142, 33)
HSL	hsl(82, 62%, 34%)
HSV	hsv(82, 77%, 56%)
CMYK	cmyk(28.2%, 0%, 76.8%, 44.3%)
CIE-LAB	lab(54.32, -30.38, 49.98)
CIE-LCH	lch(54.32, 58.49, 121.29°)
OKLab	oklab(59.6% -0.0871 0.1111)
OKLCH	oklch(59.6% 0.141 128.1)
XYZ	xyz(15.4270, 22.2802, 4.9263)
Luminance	0.2228 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668E21 #49218E

analogous

#8E8021 #668E21 #308E21

triadic

#668E21 #21668E #8E2166

tetradic

#668E21 #218E80 #49218E #8E2130

square

#668E21 #218E80 #49218E #8E2130

split-complementary

#668E21 #21308E #80218E

monochromatic

#1F2B0A #425C15 #668E21 #8AC02D #A6D752

Accessibility & contrast

On white

3.85

#668E21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#668E21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668E21

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668E21	#FFFFFF	#000000	##000000
##668E21	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958408

Deuteranopia (green-blind)

#90812C

Tritanopia (blue-blind)

#6A8779

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #668e21;
/* rgb */ color: rgb(102, 142, 33);
/* oklch */ color: oklch(59.6% 0.141 128.1);

Tailwind

colors: {
  custom: {
    50: '#95af65',
    500: '#668e21',
    950: '#000000',
  },
}

SCSS

$custom: #668e21;
$custom-light: #95af65;
$custom-dark: #000000;

JSON

{
  "hex": "#668e21",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 33
  },
  "hsl": {
    "h": 82.018,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.59596,
    "c": 0.14116,
    "h": 128.1
  },
  "luminance": 0.22281
}

Semantic roles & 50–950 ramp

primary

#668E21

secondary

#7750BA

accent

#42E57E

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #668E21

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

Preview Lab → · Contrast checker → · Palette generator →