#397A18#397A18

#397A18 is a mid, vivid yellow-green. Relative luminance 0.149; OKLCH L 51.7% C 0.145 H 137.6°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#397A18
RGB	rgb(57, 122, 24)
HSL	hsl(100, 67%, 29%)
HSV	hsv(100, 80%, 48%)
CMYK	cmyk(53.3%, 0%, 80.3%, 52.2%)
CIE-LAB	lab(45.43, -38.51, 43.77)
CIE-LCH	lch(45.43, 58.30, 131.34°)
OKLab	oklab(51.68% -0.1067 0.0975)
OKLCH	oklch(51.68% 0.145 137.6)
XYZ	xyz(8.8115, 14.8542, 3.2668)
Luminance	0.1485 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397A18 #59187A

analogous

#6A7A18 #397A18 #187A28

triadic

#397A18 #18397A #7A1839

tetradic

#397A18 #186A7A #59187A #7A2818

square

#397A18 #186A7A #59187A #7A2818

split-complementary

#397A18 #28187A #7A186A

monochromatic

#0C1A05 #21470E #397A18 #51AD22 #6CD735

Accessibility & contrast

On white

5.29

#397A18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#397A18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397A18

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397A18	#FFFFFF	#000000	##FFFFFF
##397A18	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E6F00

Deuteranopia (green-blind)

#766A23

Tritanopia (blue-blind)

#347568

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #397a18;
/* rgb */ color: rgb(57, 122, 24);
/* oklch */ color: oklch(51.7% 0.145 137.6);

Tailwind

colors: {
  custom: {
    50: '#77a15d',
    500: '#397a18',
    950: '#000000',
  },
}

SCSS

$custom: #397a18;
$custom-light: #77a15d;
$custom-dark: #000000;

JSON

{
  "hex": "#397a18",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 24
  },
  "hsl": {
    "h": 99.796,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.51683,
    "c": 0.14458,
    "h": 137.6
  },
  "luminance": 0.14855
}

Semantic roles & 50–950 ramp

primary

#397A18

secondary

#893FAF

accent

#3EEAB0

background

#F7FAF5

surface

#EEF3E9

border

#C9CDC5

text

#090F05

muted

#7B7F79

Preview Lab

Preview with #397A18

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

Preview Lab → · Contrast checker → · Palette generator →