#688B1B#688B1B

#688B1B is a mid, vivid yellow-green. Relative luminance 0.215; OKLCH L 58.9% C 0.140 H 126.2°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#688B1B
RGB	rgb(104, 139, 27)
HSL	hsl(79, 67%, 33%)
HSV	hsv(79, 81%, 55%)
CMYK	cmyk(25.2%, 0%, 80.6%, 45.5%)
CIE-LAB	lab(53.48, -28.44, 51.23)
CIE-LCH	lch(53.48, 58.59, 119.04°)
OKLab	oklab(58.93% -0.0824 0.1127)
OKLCH	oklch(58.93% 0.14 126.2)
XYZ	xyz(15.1395, 21.4872, 4.3865)
Luminance	0.2149 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688B1B #3E1B8B

analogous

#8B761B #688B1B #308B1B

triadic

#688B1B #1B688B #8B1B68

tetradic

#688B1B #1B8B76 #3E1B8B #8B1B30

square

#688B1B #1B8B76 #3E1B8B #8B1B30

split-complementary

#688B1B #1B308B #761B8B

monochromatic

#1B2507 #425811 #688B1B #8EBE25 #ACDB45

Accessibility & contrast

On white

3.96

#688B1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#688B1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688B1B

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688B1B	#FFFFFF	#000000	##000000
##688B1B	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938100

Deuteranopia (green-blind)

#8E7F27

Tritanopia (blue-blind)

#6D8476

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #688b1b;
/* rgb */ color: rgb(104, 139, 27);
/* oklch */ color: oklch(58.9% 0.140 126.2);

Tailwind

colors: {
  custom: {
    50: '#97ad62',
    500: '#688b1b',
    950: '#000000',
  },
}

SCSS

$custom: #688b1b;
$custom-light: #97ad62;
$custom-dark: #000000;

JSON

{
  "hex": "#688b1b",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 27
  },
  "hsl": {
    "h": 78.75,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.58933,
    "c": 0.13959,
    "h": 126.2
  },
  "luminance": 0.21487
}

Semantic roles & 50–950 ramp

primary

#688B1B

secondary

#6B45BC

accent

#3DEA73

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #688B1B

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

Preview Lab → · Contrast checker → · Palette generator →