#397B12#397B12

#397B12 is a mid, vivid yellow-green. Relative luminance 0.151; OKLCH L 51.9% C 0.149 H 137.2°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#397B12
RGB	rgb(57, 123, 18)
HSL	hsl(98, 74%, 28%)
HSV	hsv(98, 85%, 48%)
CMYK	cmyk(53.7%, 0%, 85.4%, 51.8%)
CIE-LAB	lab(45.74, -39.26, 45.95)
CIE-LCH	lch(45.74, 60.43, 130.51°)
OKLab	oklab(51.93% -0.1091 0.1012)
OKLCH	oklch(51.93% 0.149 137.2)
XYZ	xyz(8.8792, 15.0788, 3.0148)
Luminance	0.1508 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397B12 #54127B

analogous

#6E7B12 #397B12 #127B1F

triadic

#397B12 #12397B #7B1239

tetradic

#397B12 #126E7B #54127B #7B1F12

square

#397B12 #126E7B #54127B #7B1F12

split-complementary

#397B12 #1F127B #7B126E

monochromatic

#0C1B04 #20460A #397B12 #52B01A #6CE028

Accessibility & contrast

On white

5.23

#397B12 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#397B12 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397B12

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397B12	#FFFFFF	#000000	##FFFFFF
##397B12	1.00	5.23	4.02	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F7000

Deuteranopia (green-blind)

#776A1F

Tritanopia (blue-blind)

#357668

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #397b12;
/* rgb */ color: rgb(57, 123, 18);
/* oklch */ color: oklch(51.9% 0.149 137.2);

Tailwind

colors: {
  custom: {
    50: '#77a25b',
    500: '#397b12',
    950: '#000000',
  },
}

SCSS

$custom: #397b12;
$custom-light: #77a25b;
$custom-dark: #000000;

JSON

{
  "hex": "#397b12",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 18
  },
  "hsl": {
    "h": 97.714,
    "s": 74.468,
    "l": 27.647
  },
  "oklch": {
    "l": 0.51927,
    "c": 0.14877,
    "h": 137.2
  },
  "luminance": 0.15079
}

Semantic roles & 50–950 ramp

primary

#397B12

secondary

#8438B1

accent

#37F1AC

background

#F7FAF5

surface

#EEF3E9

border

#C9CDC5

text

#090F04

muted

#7B7F79

Preview Lab

Preview with #397B12

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

Preview Lab → · Contrast checker → · Palette generator →