#688C1F#688C1F

#688C1F is a mid, vivid yellow-green. Relative luminance 0.218; OKLCH L 59.2% C 0.139 H 126.7°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#688C1F
RGB	rgb(104, 140, 31)
HSL	hsl(80, 64%, 34%)
HSV	hsv(80, 78%, 55%)
CMYK	cmyk(25.7%, 0%, 77.9%, 45.1%)
CIE-LAB	lab(53.81, -28.72, 50.23)
CIE-LCH	lch(53.81, 57.86, 119.76°)
OKLab	oklab(59.21% -0.0829 0.1112)
OKLCH	oklch(59.21% 0.139 126.7)
XYZ	xyz(15.3344, 21.7979, 4.6956)
Luminance	0.2180 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688C1F #431F8C

analogous

#8C791F #688C1F #318C1F

triadic

#688C1F #1F688C #8C1F68

tetradic

#688C1F #1F8C79 #431F8C #8C1F31

square

#688C1F #1F8C79 #431F8C #8C1F31

split-complementary

#688C1F #1F318C #791F8C

monochromatic

#1E2809 #435A14 #688C1F #8DBE2A #AAD84E

Accessibility & contrast

On white

3.92

#688C1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#688C1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688C1F

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688C1F	#FFFFFF	#000000	##000000
##688C1F	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948204

Deuteranopia (green-blind)

#8F802A

Tritanopia (blue-blind)

#6C8577

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #688c1f;
/* rgb */ color: rgb(104, 140, 31);
/* oklch */ color: oklch(59.2% 0.139 126.7);

Tailwind

colors: {
  custom: {
    50: '#97ad64',
    500: '#688c1f',
    950: '#000000',
  },
}

SCSS

$custom: #688c1f;
$custom-light: #97ad64;
$custom-dark: #000000;

JSON

{
  "hex": "#688c1f",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 31
  },
  "hsl": {
    "h": 79.817,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.5921,
    "c": 0.13871,
    "h": 126.7
  },
  "luminance": 0.21798
}

Semantic roles & 50–950 ramp

primary

#688C1F

secondary

#714CBB

accent

#41E778

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #688C1F

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

Preview Lab → · Contrast checker → · Palette generator →