#397C17#397C17

#397C17 is a mid, vivid yellow-green. Relative luminance 0.153; OKLCH L 52.2% C 0.148 H 137.7°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#397C17
RGB	rgb(57, 124, 23)
HSL	hsl(100, 69%, 29%)
HSV	hsv(100, 81%, 49%)
CMYK	cmyk(54%, 0%, 81.5%, 51.4%)
CIE-LAB	lab(46.10, -39.38, 44.75)
CIE-LCH	lch(46.10, 59.61, 131.35°)
OKLab	oklab(52.23% -0.1091 0.0994)
OKLCH	oklch(52.23% 0.148 137.7)
XYZ	xyz(9.0493, 15.3463, 3.2957)
Luminance	0.1535 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397C17 #5A177C

analogous

#6C7C17 #397C17 #177C28

triadic

#397C17 #17397C #7C1739

tetradic

#397C17 #176C7C #5A177C #7C2817

square

#397C17 #176C7C #5A177C #7C2817

split-complementary

#397C17 #28177C #7C176C

monochromatic

#0C1A05 #21480D #397C17 #51B021 #6CD934

Accessibility & contrast

On white

5.16

#397C17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#397C17 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397C17

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397C17	#FFFFFF	#000000	##FFFFFF
##397C17	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#807100

Deuteranopia (green-blind)

#786B23

Tritanopia (blue-blind)

#347769

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #397c17;
/* rgb */ color: rgb(57, 124, 23);
/* oklch */ color: oklch(52.2% 0.148 137.7);

Tailwind

colors: {
  custom: {
    50: '#77a25d',
    500: '#397c17',
    950: '#000000',
  },
}

SCSS

$custom: #397c17;
$custom-light: #77a25d;
$custom-dark: #000000;

JSON

{
  "hex": "#397c17",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 23
  },
  "hsl": {
    "h": 99.802,
    "s": 68.707,
    "l": 28.824
  },
  "oklch": {
    "l": 0.52234,
    "c": 0.14763,
    "h": 137.7
  },
  "luminance": 0.15347
}

Semantic roles & 50–950 ramp

primary

#397C17

secondary

#8A3EB1

accent

#3CECB1

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#090F05

muted

#7B7F79

Preview Lab

Preview with #397C17

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

Preview Lab → · Contrast checker → · Palette generator →