#397B13#397B13

#397B13 is a mid, vivid yellow-green. Relative luminance 0.151; OKLCH L 51.9% C 0.148 H 137.2°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#397B13
RGB	rgb(57, 123, 19)
HSL	hsl(98, 73%, 28%)
HSV	hsv(98, 85%, 48%)
CMYK	cmyk(53.7%, 0%, 84.6%, 51.8%)
CIE-LAB	lab(45.75, -39.20, 45.66)
CIE-LCH	lch(45.75, 60.18, 130.65°)
OKLab	oklab(51.93% -0.1089 0.1007)
OKLCH	oklch(51.93% 0.148 137.2)
XYZ	xyz(8.8876, 15.0821, 3.0588)
Luminance	0.1508 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397B13 #55137B

analogous

#6D7B13 #397B13 #137B21

triadic

#397B13 #13397B #7B1339

tetradic

#397B13 #136D7B #55137B #7B2113

square

#397B13 #136D7B #55137B #7B2113

split-complementary

#397B13 #21137B #7B136D

monochromatic

#0C1B04 #20460B #397B13 #52B01B #6CDE2A

Accessibility & contrast

On white

5.23

#397B13 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#397B13 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397B13

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397B13	#FFFFFF	#000000	##FFFFFF
##397B13	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)

#776A20

Tritanopia (blue-blind)

#357668

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #397b13;
/* rgb */ color: rgb(57, 123, 19);
/* oklch */ color: oklch(51.9% 0.148 137.2);

Tailwind

colors: {
  custom: {
    50: '#77a25b',
    500: '#397b13',
    950: '#000000',
  },
}

SCSS

$custom: #397b13;
$custom-light: #77a25b;
$custom-dark: #000000;

JSON

{
  "hex": "#397b13",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 19
  },
  "hsl": {
    "h": 98.077,
    "s": 73.239,
    "l": 27.843
  },
  "oklch": {
    "l": 0.51932,
    "c": 0.14833,
    "h": 137.2
  },
  "luminance": 0.15083
}

Semantic roles & 50–950 ramp

primary

#397B13

secondary

#8539B1

accent

#38F0AD

background

#F7FAF5

surface

#EEF3E9

border

#C9CDC5

text

#090F04

muted

#7B7F79

Preview Lab

Preview with #397B13

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

Preview Lab → · Contrast checker → · Palette generator →