#397F12#397F12

#397F12 is a mid, vivid yellow-green. Relative luminance 0.161; OKLCH L 53.0% C 0.154 H 137.5°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#397F12
RGB	rgb(57, 127, 18)
HSL	hsl(99, 75%, 28%)
HSV	hsv(99, 86%, 50%)
CMYK	cmyk(55.1%, 0%, 85.8%, 50.2%)
CIE-LAB	lab(47.09, -40.85, 47.17)
CIE-LCH	lch(47.09, 62.40, 130.90°)
OKLab	oklab(53.04% -0.1134 0.1037)
OKLCH	oklch(53.04% 0.154 137.5)
XYZ	xyz(9.3856, 16.0915, 3.1835)
Luminance	0.1609 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397F12 #58127F

analogous

#6F7F12 #397F12 #127F21

triadic

#397F12 #12397F #7F1239

tetradic

#397F12 #126F7F #58127F #7F2112

square

#397F12 #126F7F #58127F #7F2112

split-complementary

#397F12 #21127F #7F126F

monochromatic

#0C1B04 #21490A #397F12 #51B51A #6CE12B

Accessibility & contrast

On white

4.98

#397F12 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#397F12 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397F12

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397F12	#FFFFFF	#000000	##FFFFFF
##397F12	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837300

Deuteranopia (green-blind)

#7A6E20

Tritanopia (blue-blind)

#347A6C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #397f12;
/* rgb */ color: rgb(57, 127, 18);
/* oklch */ color: oklch(53.0% 0.154 137.5);

Tailwind

colors: {
  custom: {
    50: '#78a55c',
    500: '#397f12',
    950: '#000000',
  },
}

SCSS

$custom: #397f12;
$custom-light: #78a55c;
$custom-dark: #000000;

JSON

{
  "hex": "#397f12",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 18
  },
  "hsl": {
    "h": 98.532,
    "s": 75.172,
    "l": 28.431
  },
  "oklch": {
    "l": 0.53042,
    "c": 0.15366,
    "h": 137.5
  },
  "luminance": 0.16092
}

Semantic roles & 50–950 ramp

primary

#397F12

secondary

#8838B5

accent

#36F2AF

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#0A0F04

muted

#7C7F79

Preview Lab

Preview with #397F12

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

Preview Lab → · Contrast checker → · Palette generator →