#668E1F#668E1F

#668E1F is a mid, vivid yellow-green. Relative luminance 0.223; OKLCH L 59.6% C 0.142 H 128.0°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#668E1F
RGB	rgb(102, 142, 31)
HSL	hsl(82, 64%, 34%)
HSV	hsv(82, 78%, 56%)
CMYK	cmyk(28.2%, 0%, 78.2%, 44.3%)
CIE-LAB	lab(54.31, -30.49, 50.66)
CIE-LCH	lch(54.31, 59.12, 121.04°)
OKLab	oklab(59.58% -0.0876 0.1122)
OKLCH	oklch(59.58% 0.142 128)
XYZ	xyz(15.3998, 22.2694, 4.7831)
Luminance	0.2227 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668E1F #471F8E

analogous

#8E7F1F #668E1F #2E8E1F

triadic

#668E1F #1F668E #8E1F66

tetradic

#668E1F #1F8E7F #471F8E #8E1F2E

square

#668E1F #1F8E7F #471F8E #8E1F2E

split-complementary

#668E1F #1F2E8E #7F1F8E

monochromatic

#1E2A09 #425C14 #668E1F #8AC02A #A7D94F

Accessibility & contrast

On white

3.85

#668E1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#668E1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668E1F

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668E1F	#FFFFFF	#000000	##000000
##668E1F	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958403

Deuteranopia (green-blind)

#90812A

Tritanopia (blue-blind)

#6A8779

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #668e1f;
/* rgb */ color: rgb(102, 142, 31);
/* oklch */ color: oklch(59.6% 0.142 128.0);

Tailwind

colors: {
  custom: {
    50: '#95af64',
    500: '#668e1f',
    950: '#000000',
  },
}

SCSS

$custom: #668e1f;
$custom-light: #95af64;
$custom-dark: #000000;

JSON

{
  "hex": "#668e1f",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 31
  },
  "hsl": {
    "h": 81.622,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.59583,
    "c": 0.14231,
    "h": 128
  },
  "luminance": 0.2227
}

Semantic roles & 50–950 ramp

primary

#668E1F

secondary

#754DBB

accent

#41E77D

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #668E1F

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

Preview Lab → · Contrast checker → · Palette generator →