#618B1F#618B1F

#618B1F is a mid, vivid yellow-green. Relative luminance 0.211; OKLCH L 58.5% C 0.141 H 129.0°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#618B1F
RGB	rgb(97, 139, 31)
HSL	hsl(83, 64%, 33%)
HSV	hsv(83, 78%, 55%)
CMYK	cmyk(30.2%, 0%, 77.7%, 45.5%)
CIE-LAB	lab(53.06, -31.08, 49.37)
CIE-LCH	lch(53.06, 58.34, 122.20°)
OKLab	oklab(58.49% -0.0889 0.1096)
OKLCH	oklch(58.49% 0.141 129)
XYZ	xyz(14.4097, 21.1052, 4.6106)
Luminance	0.2111 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618B1F #491F8B

analogous

#8B7F1F #618B1F #2B8B1F

triadic

#618B1F #1F618B #8B1F61

tetradic

#618B1F #1F8B7F #491F8B #8B1F2B

square

#618B1F #1F8B7F #491F8B #8B1F2B

split-complementary

#618B1F #1F2B8B #7F1F8B

monochromatic

#1B2709 #3E5914 #618B1F #84BD2A #A2D74D

Accessibility & contrast

On white

4.02

#618B1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#618B1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618B1F

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618B1F	#FFFFFF	#000000	##000000
##618B1F	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928105

Deuteranopia (green-blind)

#8C7E2A

Tritanopia (blue-blind)

#648577

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #618b1f;
/* rgb */ color: rgb(97, 139, 31);
/* oklch */ color: oklch(58.5% 0.141 129.0);

Tailwind

colors: {
  custom: {
    50: '#92ad64',
    500: '#618b1f',
    950: '#000000',
  },
}

SCSS

$custom: #618b1f;
$custom-light: #92ad64;
$custom-dark: #000000;

JSON

{
  "hex": "#618b1f",
  "rgb": {
    "r": 97,
    "g": 139,
    "b": 31
  },
  "hsl": {
    "h": 83.333,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.58489,
    "c": 0.14109,
    "h": 129
  },
  "luminance": 0.21106
}

Semantic roles & 50–950 ramp

primary

#618B1F

secondary

#774CBA

accent

#41E782

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D1006

muted

#7E7F7A

Preview Lab

Preview with #618B1F

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

Preview Lab → · Contrast checker → · Palette generator →