#678F1B#678F1B

#678F1B is a mid, vivid yellow-green. Relative luminance 0.226; OKLCH L 59.9% C 0.145 H 127.6°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#678F1B
RGB	rgb(103, 143, 27)
HSL	hsl(81, 68%, 33%)
HSV	hsv(81, 81%, 56%)
CMYK	cmyk(28%, 0%, 81.1%, 43.9%)
CIE-LAB	lab(54.67, -30.75, 52.29)
CIE-LCH	lch(54.67, 60.67, 120.46°)
OKLab	oklab(59.88% -0.0886 0.1149)
OKLCH	oklch(59.88% 0.145 127.6)
XYZ	xyz(15.6138, 22.6073, 4.5777)
Luminance	0.2261 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678F1B #431B8F

analogous

#8F7D1B #678F1B #2D8F1B

triadic

#678F1B #1B678F #8F1B67

tetradic

#678F1B #1B8F7D #431B8F #8F1B2D

square

#678F1B #1B8F7D #431B8F #8F1B2D

split-complementary

#678F1B #1B2D8F #7D1B8F

monochromatic

#1D2808 #425C11 #678F1B #8CC225 #A9DC48

Accessibility & contrast

On white

3.80

#678F1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#678F1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678F1B

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678F1B	#FFFFFF	#000000	##000000
##678F1B	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#978400

Deuteranopia (green-blind)

#918228

Tritanopia (blue-blind)

#6B887A

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #678f1b;
/* rgb */ color: rgb(103, 143, 27);
/* oklch */ color: oklch(59.9% 0.145 127.6);

Tailwind

colors: {
  custom: {
    50: '#96b062',
    500: '#678f1b',
    950: '#000000',
  },
}

SCSS

$custom: #678f1b;
$custom-light: #96b062;
$custom-dark: #000000;

JSON

{
  "hex": "#678f1b",
  "rgb": {
    "r": 103,
    "g": 143,
    "b": 27
  },
  "hsl": {
    "h": 80.69,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.59881,
    "c": 0.14514,
    "h": 127.6
  },
  "luminance": 0.22608
}

Semantic roles & 50–950 ramp

primary

#678F1B

secondary

#7148BE

accent

#3DEB79

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #678F1B

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

Preview Lab → · Contrast checker → · Palette generator →