#688F1F#688F1F

#688F1F is a mid, vivid yellow-green. Relative luminance 0.227; OKLCH L 60.0% C 0.143 H 127.5°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#688F1F
RGB	rgb(104, 143, 31)
HSL	hsl(81, 64%, 34%)
HSV	hsv(81, 78%, 56%)
CMYK	cmyk(27.3%, 0%, 78.3%, 43.9%)
CIE-LAB	lab(54.75, -30.15, 51.11)
CIE-LCH	lch(54.75, 59.34, 120.53°)
OKLab	oklab(59.97% -0.0868 0.1131)
OKLCH	oklch(59.97% 0.143 127.5)
XYZ	xyz(15.7787, 22.6866, 4.8437)
Luminance	0.2269 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688F1F #461F8F

analogous

#8F7E1F #688F1F #308F1F

triadic

#688F1F #1F688F #8F1F68

tetradic

#688F1F #1F8F7E #461F8F #8F1F30

square

#688F1F #1F8F7E #461F8F #8F1F30

split-complementary

#688F1F #1F308F #7E1F8F

monochromatic

#1F2A09 #435D14 #688F1F #8DC12A #A9D94F

Accessibility & contrast

On white

3.79

#688F1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#688F1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688F1F

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688F1F	#FFFFFF	#000000	##000000
##688F1F	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#978502

Deuteranopia (green-blind)

#91822A

Tritanopia (blue-blind)

#6C887A

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #688f1f;
/* rgb */ color: rgb(104, 143, 31);
/* oklch */ color: oklch(60.0% 0.143 127.5);

Tailwind

colors: {
  custom: {
    50: '#97b064',
    500: '#688f1f',
    950: '#000000',
  },
}

SCSS

$custom: #688f1f;
$custom-light: #97b064;
$custom-dark: #000000;

JSON

{
  "hex": "#688f1f",
  "rgb": {
    "r": 104,
    "g": 143,
    "b": 31
  },
  "hsl": {
    "h": 80.893,
    "s": 64.368,
    "l": 34.118
  },
  "oklch": {
    "l": 0.5997,
    "c": 0.14254,
    "h": 127.5
  },
  "luminance": 0.22687
}

Semantic roles & 50–950 ramp

primary

#688F1F

secondary

#744EBC

accent

#40E77B

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #688F1F

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

Preview Lab → · Contrast checker → · Palette generator →