#397B15#397B15

#397B15 is a mid, vivid yellow-green. Relative luminance 0.151; OKLCH L 51.9% C 0.147 H 137.4°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#397B15
RGB	rgb(57, 123, 21)
HSL	hsl(99, 71%, 28%)
HSV	hsv(99, 83%, 48%)
CMYK	cmyk(53.7%, 0%, 82.9%, 51.8%)
CIE-LAB	lab(45.76, -39.10, 45.06)
CIE-LCH	lch(45.76, 59.66, 130.94°)
OKLab	oklab(51.94% -0.1085 0.0998)
OKLCH	oklch(51.94% 0.147 137.4)
XYZ	xyz(8.9054, 15.0893, 3.1526)
Luminance	0.1509 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397B15 #57157B

analogous

#6C7B15 #397B15 #157B24

triadic

#397B15 #15397B #7B1539

tetradic

#397B15 #156C7B #57157B #7B2415

square

#397B15 #156C7B #57157B #7B2415

split-complementary

#397B15 #24157B #7B156C

monochromatic

#0C1A04 #21470C #397B15 #51AF1E #6CDB2F

Accessibility & contrast

On white

5.23

#397B15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#397B15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397B15

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397B15	#FFFFFF	#000000	##FFFFFF
##397B15	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)

#776A21

Tritanopia (blue-blind)

#347668

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #397b15;
/* rgb */ color: rgb(57, 123, 21);
/* oklch */ color: oklch(51.9% 0.147 137.4);

Tailwind

colors: {
  custom: {
    50: '#77a25c',
    500: '#397b15',
    950: '#000000',
  },
}

SCSS

$custom: #397b15;
$custom-light: #77a25c;
$custom-dark: #000000;

JSON

{
  "hex": "#397b15",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 21
  },
  "hsl": {
    "h": 98.824,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.51943,
    "c": 0.14738,
    "h": 137.4
  },
  "luminance": 0.1509
}

Semantic roles & 50–950 ramp

primary

#397B15

secondary

#873BB0

accent

#3AEEAE

background

#F7FAF5

surface

#EEF3E9

border

#C9CDC5

text

#090F04

muted

#7B7F79

Preview Lab

Preview with #397B15

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

Preview Lab → · Contrast checker → · Palette generator →