#688E1B#688E1B

#688E1B is a mid, vivid yellow-green. Relative luminance 0.224; OKLCH L 59.7% C 0.143 H 127.0°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#688E1B
RGB	rgb(104, 142, 27)
HSL	hsl(80, 68%, 33%)
HSV	hsv(80, 81%, 56%)
CMYK	cmyk(26.8%, 0%, 81%, 44.3%)
CIE-LAB	lab(54.42, -29.87, 52.09)
CIE-LCH	lch(54.42, 60.05, 119.84°)
OKLab	oklab(59.69% -0.0863 0.1145)
OKLCH	oklch(59.69% 0.143 127)
XYZ	xyz(15.5798, 22.3679, 4.5333)
Luminance	0.2237 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688E1B #411B8E

analogous

#8E7A1B #688E1B #2E8E1B

triadic

#688E1B #1B688E #8E1B68

tetradic

#688E1B #1B8E7A #411B8E #8E1B2E

square

#688E1B #1B8E7A #411B8E #8E1B2E

split-complementary

#688E1B #1B2E8E #7A1B8E

monochromatic

#1D2707 #425B11 #688E1B #8EC125 #ABDC47

Accessibility & contrast

On white

3.84

#688E1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#688E1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688E1B

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688E1B	#FFFFFF	#000000	##000000
##688E1B	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#968400

Deuteranopia (green-blind)

#918127

Tritanopia (blue-blind)

#6C8779

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #688e1b;
/* rgb */ color: rgb(104, 142, 27);
/* oklch */ color: oklch(59.7% 0.143 127.0);

Tailwind

colors: {
  custom: {
    50: '#97af62',
    500: '#688e1b',
    950: '#000000',
  },
}

SCSS

$custom: #688e1b;
$custom-light: #97af62;
$custom-dark: #000000;

JSON

{
  "hex": "#688e1b",
  "rgb": {
    "r": 104,
    "g": 142,
    "b": 27
  },
  "hsl": {
    "h": 79.826,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.59694,
    "c": 0.14336,
    "h": 127
  },
  "luminance": 0.22368
}

Semantic roles & 50–950 ramp

primary

#688E1B

secondary

#6E47BE

accent

#3DEB76

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #688E1B

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

Preview Lab → · Contrast checker → · Palette generator →