#618B37#618B37

#618B37 is a mid, vivid yellow-green. Relative luminance 0.213; OKLCH L 58.7% C 0.123 H 131.5°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#618B37
RGB	rgb(97, 139, 55)
HSL	hsl(90, 43%, 38%)
HSV	hsv(90, 60%, 55%)
CMYK	cmyk(30.2%, 0%, 60.4%, 45.5%)
CIE-LAB	lab(53.26, -29.21, 39.52)
CIE-LCH	lch(53.26, 49.15, 126.47°)
OKLab	oklab(58.71% -0.0817 0.0922)
OKLCH	oklch(58.71% 0.123 131.5)
XYZ	xyz(14.8518, 21.2820, 6.9390)
Luminance	0.2128 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618B37 #61378B

analogous

#8B8B37 #618B37 #378B37

triadic

#618B37 #37618B #8B3761

tetradic

#618B37 #378B8B #61378B #8B3737

square

#618B37 #378B8B #61378B #8B3737

split-complementary

#618B37 #37378B #8B378B

monochromatic

#243314 #425F26 #618B37 #80B748 #9EC874

Accessibility & contrast

On white

4.00

#618B37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#618B37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618B37

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618B37	#FFFFFF	#000000	##000000
##618B37	1.00	4.00	5.26	5.26
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91812E

Deuteranopia (green-blind)

#8B7E3D

Tritanopia (blue-blind)

#628679

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #618b37;
/* rgb */ color: rgb(97, 139, 55);
/* oklch */ color: oklch(58.7% 0.123 131.5);

Tailwind

colors: {
  custom: {
    50: '#91ad71',
    500: '#618b37',
    950: '#000000',
  },
}

SCSS

$custom: #618b37;
$custom-light: #91ad71;
$custom-dark: #000000;

JSON

{
  "hex": "#618b37",
  "rgb": {
    "r": 97,
    "g": 139,
    "b": 55
  },
  "hsl": {
    "h": 90,
    "s": 43.299,
    "l": 38.039
  },
  "oklch": {
    "l": 0.58707,
    "c": 0.12321,
    "h": 131.5
  },
  "luminance": 0.21282
}

Semantic roles & 50–950 ramp

primary

#618B37

secondary

#8F6DB1

accent

#55D394

background

#F9FAF7

surface

#F1F4ED

border

#CBCEC8

text

#0D1008

muted

#7E7F7B

Preview Lab

Preview with #618B37

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

Preview Lab → · Contrast checker → · Palette generator →