#688D1F#688D1F

#688D1F is a mid, vivid yellow-green. Relative luminance 0.221; OKLCH L 59.5% C 0.140 H 127.0°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#688D1F
RGB	rgb(104, 141, 31)
HSL	hsl(80, 64%, 34%)
HSV	hsv(80, 78%, 55%)
CMYK	cmyk(26.2%, 0%, 78%, 44.7%)
CIE-LAB	lab(54.12, -29.20, 50.52)
CIE-LCH	lch(54.12, 58.35, 120.02°)
OKLab	oklab(59.46% -0.0842 0.1119)
OKLCH	oklch(59.46% 0.14 127)
XYZ	xyz(15.4812, 22.0914, 4.7445)
Luminance	0.2209 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688D1F #441F8D

analogous

#8D7B1F #688D1F #318D1F

triadic

#688D1F #1F688D #8D1F68

tetradic

#688D1F #1F8D7B #441F8D #8D1F31

square

#688D1F #1F8D7B #441F8D #8D1F31

split-complementary

#688D1F #1F318D #7B1F8D

monochromatic

#1E2909 #435B14 #688D1F #8DBF2A #AAD84E

Accessibility & contrast

On white

3.88

#688D1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#688D1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688D1F

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688D1F	#FFFFFF	#000000	##000000
##688D1F	1.00	3.88	5.42	5.42
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958303

Deuteranopia (green-blind)

#90812A

Tritanopia (blue-blind)

#6C8678

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #688d1f;
/* rgb */ color: rgb(104, 141, 31);
/* oklch */ color: oklch(59.5% 0.140 127.0);

Tailwind

colors: {
  custom: {
    50: '#97ae64',
    500: '#688d1f',
    950: '#000000',
  },
}

SCSS

$custom: #688d1f;
$custom-light: #97ae64;
$custom-dark: #000000;

JSON

{
  "hex": "#688d1f",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 31
  },
  "hsl": {
    "h": 80.182,
    "s": 63.953,
    "l": 33.725
  },
  "oklch": {
    "l": 0.59464,
    "c": 0.13999,
    "h": 127
  },
  "luminance": 0.22092
}

Semantic roles & 50–950 ramp

primary

#688D1F

secondary

#724DBB

accent

#41E779

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #688D1F

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

Preview Lab → · Contrast checker → · Palette generator →