#618C31#618C31

#618C31 is a mid, vivid yellow-green. Relative luminance 0.215; OKLCH L 58.9% C 0.130 H 130.9°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#618C31
RGB	rgb(97, 140, 49)
HSL	hsl(88, 48%, 37%)
HSV	hsv(88, 65%, 55%)
CMYK	cmyk(30.7%, 0%, 65%, 45.1%)
CIE-LAB	lab(53.51, -30.25, 42.59)
CIE-LCH	lch(53.51, 52.24, 125.38°)
OKLab	oklab(58.9% -0.0851 0.0981)
OKLCH	oklch(58.9% 0.13 130.9)
XYZ	xyz(14.8621, 21.5188, 6.2756)
Luminance	0.2152 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618C31 #5C318C

analogous

#8C8A31 #618C31 #338C31

triadic

#618C31 #31618C #8C3161

tetradic

#618C31 #318C8A #5C318C #8C3133

square

#618C31 #318C8A #5C318C #8C3133

split-complementary

#618C31 #31338C #8A318C

monochromatic

#223111 #425F21 #618C31 #80B941 #9ECC6C

Accessibility & contrast

On white

3.96

#618C31 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#618C31 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618C31

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618C31	#FFFFFF	#000000	##000000
##618C31	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928226

Deuteranopia (green-blind)

#8C7F38

Tritanopia (blue-blind)

#638679

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #618c31;
/* rgb */ color: rgb(97, 140, 49);
/* oklch */ color: oklch(58.9% 0.130 130.9);

Tailwind

colors: {
  custom: {
    50: '#91ae6d',
    500: '#618c31',
    950: '#000000',
  },
}

SCSS

$custom: #618c31;
$custom-light: #91ae6d;
$custom-dark: #000000;

JSON

{
  "hex": "#618c31",
  "rgb": {
    "r": 97,
    "g": 140,
    "b": 49
  },
  "hsl": {
    "h": 88.352,
    "s": 48.148,
    "l": 37.059
  },
  "oklch": {
    "l": 0.58897,
    "c": 0.12981,
    "h": 130.9
  },
  "luminance": 0.21519
}

Semantic roles & 50–950 ramp

primary

#618C31

secondary

#8A66B3

accent

#50D890

background

#F9FAF6

surface

#F1F4EC

border

#CBCEC7

text

#0D1007

muted

#7E7F7A

Preview Lab

Preview with #618C31

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

Preview Lab → · Contrast checker → · Palette generator →