#397B17#397B17

#397B17 is a mid, vivid yellow-green. Relative luminance 0.151; OKLCH L 52.0% C 0.146 H 137.6°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#397B17
RGB	rgb(57, 123, 23)
HSL	hsl(100, 68%, 29%)
HSV	hsv(100, 81%, 48%)
CMYK	cmyk(53.7%, 0%, 81.3%, 51.8%)
CIE-LAB	lab(45.77, -38.98, 44.43)
CIE-LCH	lch(45.77, 59.10, 131.26°)
OKLab	oklab(51.96% -0.108 0.0988)
OKLCH	oklch(51.96% 0.146 137.6)
XYZ	xyz(8.9247, 15.0970, 3.2542)
Luminance	0.1510 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397B17 #59177B

analogous

#6B7B17 #397B17 #177B27

triadic

#397B17 #17397B #7B1739

tetradic

#397B17 #176B7B #59177B #7B2717

square

#397B17 #176B7B #59177B #7B2717

split-complementary

#397B17 #27177B #7B176B

monochromatic

#0C1A05 #21470D #397B17 #51AF21 #6CD933

Accessibility & contrast

On white

5.22

#397B17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#397B17 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397B17

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397B17	#FFFFFF	#000000	##FFFFFF
##397B17	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F7000

Deuteranopia (green-blind)

#776A22

Tritanopia (blue-blind)

#347668

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #397b17;
/* rgb */ color: rgb(57, 123, 23);
/* oklch */ color: oklch(52.0% 0.146 137.6);

Tailwind

colors: {
  custom: {
    50: '#77a25d',
    500: '#397b17',
    950: '#000000',
  },
}

SCSS

$custom: #397b17;
$custom-light: #77a25d;
$custom-dark: #000000;

JSON

{
  "hex": "#397b17",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 23
  },
  "hsl": {
    "h": 99.6,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.51955,
    "c": 0.14637,
    "h": 137.6
  },
  "luminance": 0.15098
}

Semantic roles & 50–950 ramp

primary

#397B17

secondary

#893EB0

accent

#3CEBB0

background

#F7FAF5

surface

#EEF3E9

border

#C9CDC5

text

#090F05

muted

#7B7F79

Preview Lab

Preview with #397B17

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

Preview Lab → · Contrast checker → · Palette generator →