#688C2B#688C2B

#688C2B is a mid, vivid yellow-green. Relative luminance 0.219; OKLCH L 59.3% C 0.131 H 127.6°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#688C2B
RGB	rgb(104, 140, 43)
HSL	hsl(82, 53%, 36%)
HSV	hsv(82, 69%, 55%)
CMYK	cmyk(25.7%, 0%, 69.3%, 45.1%)
CIE-LAB	lab(53.89, -27.95, 45.73)
CIE-LCH	lch(53.89, 53.60, 121.43°)
OKLab	oklab(59.3% -0.0797 0.1037)
OKLCH	oklch(59.3% 0.131 127.6)
XYZ	xyz(15.5231, 21.8733, 5.6892)
Luminance	0.2187 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688C2B #4F2B8C

analogous

#8C7F2B #688C2B #378C2B

triadic

#688C2B #2B688C #8C2B68

tetradic

#688C2B #2B8C7F #4F2B8C #8C2B37

square

#688C2B #2B8C7F #4F2B8C #8C2B37

split-complementary

#688C2B #2B378C #7F2B8C

monochromatic

#222E0E #455D1D #688C2B #8BBB39 #A7CF62

Accessibility & contrast

On white

3.91

#688C2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#688C2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688C2B

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688C2B	#FFFFFF	#000000	##000000
##688C2B	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93821D

Deuteranopia (green-blind)

#8E8033

Tritanopia (blue-blind)

#6C8678

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #688c2b;
/* rgb */ color: rgb(104, 140, 43);
/* oklch */ color: oklch(59.3% 0.131 127.6);

Tailwind

colors: {
  custom: {
    50: '#96ad6a',
    500: '#688c2b',
    950: '#000000',
  },
}

SCSS

$custom: #688c2b;
$custom-light: #96ad6a;
$custom-dark: #000000;

JSON

{
  "hex": "#688c2b",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 43
  },
  "hsl": {
    "h": 82.268,
    "s": 53.005,
    "l": 35.882
  },
  "oklch": {
    "l": 0.59301,
    "c": 0.13084,
    "h": 127.6
  },
  "luminance": 0.21874
}

Semantic roles & 50–950 ramp

primary

#688C2B

secondary

#7E5EB5

accent

#4BDC81

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1007

muted

#7E7F7A

Preview Lab

Preview with #688C2B

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

Preview Lab → · Contrast checker → · Palette generator →