#688C21#688C21

#688C21 is a mid, vivid yellow-green. Relative luminance 0.218; OKLCH L 59.2% C 0.138 H 126.8°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#688C21
RGB	rgb(104, 140, 33)
HSL	hsl(80, 62%, 34%)
HSV	hsv(80, 76%, 55%)
CMYK	cmyk(25.7%, 0%, 76.4%, 45.1%)
CIE-LAB	lab(53.82, -28.61, 49.54)
CIE-LCH	lch(53.82, 57.21, 120.00°)
OKLab	oklab(59.22% -0.0824 0.1101)
OKLCH	oklch(59.22% 0.138 126.8)
XYZ	xyz(15.3616, 21.8087, 4.8387)
Luminance	0.2181 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688C21 #45218C

analogous

#8C7B21 #688C21 #338C21

triadic

#688C21 #21688C #8C2168

tetradic

#688C21 #218C7B #45218C #8C2133

square

#688C21 #218C7B #45218C #8C2133

split-complementary

#688C21 #21338C #7B218C

monochromatic

#1E290A #435A15 #688C21 #8DBE2D #A9D651

Accessibility & contrast

On white

3.92

#688C21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#688C21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688C21

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688C21	#FFFFFF	#000000	##000000
##688C21	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948209

Deuteranopia (green-blind)

#8F802B

Tritanopia (blue-blind)

#6C8578

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #688c21;
/* rgb */ color: rgb(104, 140, 33);
/* oklch */ color: oklch(59.2% 0.138 126.8);

Tailwind

colors: {
  custom: {
    50: '#97ad65',
    500: '#688c21',
    950: '#000000',
  },
}

SCSS

$custom: #688c21;
$custom-light: #97ad65;
$custom-dark: #000000;

JSON

{
  "hex": "#688c21",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 33
  },
  "hsl": {
    "h": 80.187,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.59224,
    "c": 0.13754,
    "h": 126.8
  },
  "luminance": 0.21809
}

Semantic roles & 50–950 ramp

primary

#688C21

secondary

#734FB9

accent

#43E579

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #688C21

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

Preview Lab → · Contrast checker → · Palette generator →