#688D1B#688D1B

#688D1B is a mid, vivid yellow-green. Relative luminance 0.221; OKLCH L 59.4% C 0.142 H 126.7°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#688D1B
RGB	rgb(104, 141, 27)
HSL	hsl(79, 68%, 33%)
HSV	hsv(79, 81%, 55%)
CMYK	cmyk(26.2%, 0%, 80.9%, 44.7%)
CIE-LAB	lab(54.10, -29.40, 51.80)
CIE-LCH	lch(54.10, 59.56, 119.58°)
OKLab	oklab(59.44% -0.085 0.1139)
OKLCH	oklch(59.44% 0.142 126.7)
XYZ	xyz(15.4317, 22.0716, 4.4839)
Luminance	0.2207 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688D1B #401B8D

analogous

#8D791B #688D1B #2F8D1B

triadic

#688D1B #1B688D #8D1B68

tetradic

#688D1B #1B8D79 #401B8D #8D1B2F

square

#688D1B #1B8D79 #401B8D #8D1B2F

split-complementary

#688D1B #1B2F8D #791B8D

monochromatic

#1C2607 #425A11 #688D1B #8EC025 #ABDC47

Accessibility & contrast

On white

3.88

#688D1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#688D1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688D1B

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688D1B	#FFFFFF	#000000	##000000
##688D1B	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958300

Deuteranopia (green-blind)

#908127

Tritanopia (blue-blind)

#6C8678

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #688d1b;
/* rgb */ color: rgb(104, 141, 27);
/* oklch */ color: oklch(59.4% 0.142 126.7);

Tailwind

colors: {
  custom: {
    50: '#97ae62',
    500: '#688d1b',
    950: '#000000',
  },
}

SCSS

$custom: #688d1b;
$custom-light: #97ae62;
$custom-dark: #000000;

JSON

{
  "hex": "#688d1b",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 27
  },
  "hsl": {
    "h": 79.474,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.5944,
    "c": 0.14211,
    "h": 126.7
  },
  "luminance": 0.22072
}

Semantic roles & 50–950 ramp

primary

#688D1B

secondary

#6D46BD

accent

#3DEB75

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #688D1B

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

Preview Lab → · Contrast checker → · Palette generator →