#618B31#618B31

#618B31 is a mid, vivid yellow-green. Relative luminance 0.212; OKLCH L 58.6% C 0.128 H 130.7°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#618B31
RGB	rgb(97, 139, 49)
HSL	hsl(88, 48%, 37%)
HSV	hsv(88, 65%, 55%)
CMYK	cmyk(30.2%, 0%, 64.7%, 45.5%)
CIE-LAB	lab(53.20, -29.78, 42.25)
CIE-LCH	lch(53.20, 51.69, 125.18°)
OKLab	oklab(58.64% -0.0838 0.0973)
OKLCH	oklch(58.64% 0.128 130.7)
XYZ	xyz(14.7166, 21.2279, 6.2272)
Luminance	0.2123 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618B31 #5B318B

analogous

#8B8831 #618B31 #348B31

triadic

#618B31 #31618B #8B3161

tetradic

#618B31 #318B88 #5B318B #8B3134

square

#618B31 #318B88 #5B318B #8B3134

split-complementary

#618B31 #31348B #88318B

monochromatic

#223111 #415E21 #618B31 #81B841 #9ECB6B

Accessibility & contrast

On white

4.00

#618B31 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#618B31 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618B31

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618B31	#FFFFFF	#000000	##000000
##618B31	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918126

Deuteranopia (green-blind)

#8B7E38

Tritanopia (blue-blind)

#638578

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #618b31;
/* rgb */ color: rgb(97, 139, 49);
/* oklch */ color: oklch(58.6% 0.128 130.7);

Tailwind

colors: {
  custom: {
    50: '#91ad6d',
    500: '#618b31',
    950: '#000000',
  },
}

SCSS

$custom: #618b31;
$custom-light: #91ad6d;
$custom-dark: #000000;

JSON

{
  "hex": "#618b31",
  "rgb": {
    "r": 97,
    "g": 139,
    "b": 49
  },
  "hsl": {
    "h": 88,
    "s": 47.872,
    "l": 36.863
  },
  "oklch": {
    "l": 0.58641,
    "c": 0.12842,
    "h": 130.7
  },
  "luminance": 0.21228
}

Semantic roles & 50–950 ramp

primary

#618B31

secondary

#8965B2

accent

#50D78F

background

#F9FAF6

surface

#F1F4EC

border

#CBCEC7

text

#0D1007

muted

#7E7F7A

Preview Lab

Preview with #618B31

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

Preview Lab → · Contrast checker → · Palette generator →