#397C11#397C11

#397C11 is a mid, vivid yellow-green. Relative luminance 0.153; OKLCH L 52.2% C 0.150 H 137.2°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#397C11
RGB	rgb(57, 124, 17)
HSL	hsl(98, 76%, 28%)
HSV	hsv(98, 86%, 49%)
CMYK	cmyk(54%, 0%, 86.3%, 51.4%)
CIE-LAB	lab(46.08, -39.71, 46.53)
CIE-LCH	lch(46.08, 61.17, 130.48°)
OKLab	oklab(52.2% -0.1103 0.1022)
OKLCH	oklch(52.2% 0.15 137.2)
XYZ	xyz(8.9959, 15.3250, 3.0142)
Luminance	0.1533 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397C11 #54117C

analogous

#6F7C11 #397C11 #117C1E

triadic

#397C11 #11397C #7C1139

tetradic

#397C11 #116F7C #54117C #7C1E11

square

#397C11 #116F7C #54117C #7C1E11

split-complementary

#397C11 #1E117C #7C116F

monochromatic

#0C1B04 #20460A #397C11 #52B218 #6CE126

Accessibility & contrast

On white

5.17

#397C11 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#397C11 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397C11

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397C11	#FFFFFF	#000000	##FFFFFF
##397C11	1.00	5.17	4.07	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#807100

Deuteranopia (green-blind)

#786B1F

Tritanopia (blue-blind)

#347769

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #397c11;
/* rgb */ color: rgb(57, 124, 17);
/* oklch */ color: oklch(52.2% 0.150 137.2);

Tailwind

colors: {
  custom: {
    50: '#77a25b',
    500: '#397c11',
    950: '#000000',
  },
}

SCSS

$custom: #397c11;
$custom-light: #77a25b;
$custom-dark: #000000;

JSON

{
  "hex": "#397c11",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 17
  },
  "hsl": {
    "h": 97.57,
    "s": 75.887,
    "l": 27.647
  },
  "oklch": {
    "l": 0.52201,
    "c": 0.15043,
    "h": 137.2
  },
  "luminance": 0.15326
}

Semantic roles & 50–950 ramp

primary

#397C11

secondary

#8437B2

accent

#35F2AC

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#090F04

muted

#7B7F79

Preview Lab

Preview with #397C11

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

Preview Lab → · Contrast checker → · Palette generator →