#688D21#688D21

#688D21 is a mid, vivid yellow-green. Relative luminance 0.221; OKLCH L 59.5% C 0.139 H 127.1°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#688D21
RGB	rgb(104, 141, 33)
HSL	hsl(81, 62%, 34%)
HSV	hsv(81, 77%, 55%)
CMYK	cmyk(26.2%, 0%, 76.6%, 44.7%)
CIE-LAB	lab(54.14, -29.09, 49.84)
CIE-LCH	lch(54.14, 57.71, 120.27°)
OKLab	oklab(59.48% -0.0837 0.1108)
OKLCH	oklch(59.48% 0.139 127.1)
XYZ	xyz(15.5084, 22.1023, 4.8877)
Luminance	0.2210 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688D21 #46218D

analogous

#8D7C21 #688D21 #328D21

triadic

#688D21 #21688D #8D2168

tetradic

#688D21 #218D7C #46218D #8D2132

square

#688D21 #218D7C #46218D #8D2132

split-complementary

#688D21 #21328D #7C218D

monochromatic

#1F2A0A #435B15 #688D21 #8DBF2D #A9D652

Accessibility & contrast

On white

3.87

#688D21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#688D21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688D21

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688D21	#FFFFFF	#000000	##000000
##688D21	1.00	3.87	5.42	5.42
#FFFFFF	3.87	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)

#948309

Deuteranopia (green-blind)

#8F812B

Tritanopia (blue-blind)

#6C8678

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #688d21;
/* rgb */ color: rgb(104, 141, 33);
/* oklch */ color: oklch(59.5% 0.139 127.1);

Tailwind

colors: {
  custom: {
    50: '#97ae65',
    500: '#688d21',
    950: '#000000',
  },
}

SCSS

$custom: #688d21;
$custom-light: #97ae65;
$custom-dark: #000000;

JSON

{
  "hex": "#688d21",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 33
  },
  "hsl": {
    "h": 80.556,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.59477,
    "c": 0.13883,
    "h": 127.1
  },
  "luminance": 0.22103
}

Semantic roles & 50–950 ramp

primary

#688D21

secondary

#7450BA

accent

#43E57A

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #688D21

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

Preview Lab → · Contrast checker → · Palette generator →