#678F21#678F21

#678F21 is a mid, vivid yellow-green. Relative luminance 0.226; OKLCH L 59.9% C 0.142 H 128.0°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#678F21
RGB	rgb(103, 143, 33)
HSL	hsl(82, 63%, 35%)
HSV	hsv(82, 77%, 56%)
CMYK	cmyk(28%, 0%, 76.9%, 43.9%)
CIE-LAB	lab(54.70, -30.44, 50.36)
CIE-LCH	lch(54.70, 58.85, 121.15°)
OKLab	oklab(59.92% -0.0873 0.1119)
OKLCH	oklch(59.92% 0.142 128)
XYZ	xyz(15.6905, 22.6379, 4.9814)
Luminance	0.2264 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678F21 #49218F

analogous

#8F8021 #678F21 #308F21

triadic

#678F21 #21678F #8F2167

tetradic

#678F21 #218F80 #49218F #8F2130

square

#678F21 #218F80 #49218F #8F2130

split-complementary

#678F21 #21308F #80218F

monochromatic

#1F2C0A #435D16 #678F21 #8BC12C #A7D753

Accessibility & contrast

On white

3.80

#678F21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#678F21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678F21

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678F21	#FFFFFF	#000000	##000000
##678F21	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#968507

Deuteranopia (green-blind)

#91822C

Tritanopia (blue-blind)

#6B887A

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #678f21;
/* rgb */ color: rgb(103, 143, 33);
/* oklch */ color: oklch(59.9% 0.142 128.0);

Tailwind

colors: {
  custom: {
    50: '#96b065',
    500: '#678f21',
    950: '#000000',
  },
}

SCSS

$custom: #678f21;
$custom-light: #96b065;
$custom-dark: #000000;

JSON

{
  "hex": "#678f21",
  "rgb": {
    "r": 103,
    "g": 143,
    "b": 33
  },
  "hsl": {
    "h": 81.818,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.59917,
    "c": 0.14192,
    "h": 128
  },
  "luminance": 0.22638
}

Semantic roles & 50–950 ramp

primary

#678F21

secondary

#7751BB

accent

#42E67E

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #678F21

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

Preview Lab → · Contrast checker → · Palette generator →