#397F11#397F11

#397F11 is a mid, vivid yellow-green. Relative luminance 0.161; OKLCH L 53.0% C 0.154 H 137.5°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#397F11
RGB	rgb(57, 127, 17)
HSL	hsl(98, 76%, 28%)
HSV	hsv(98, 87%, 50%)
CMYK	cmyk(55.1%, 0%, 86.6%, 50.2%)
CIE-LAB	lab(47.09, -40.90, 47.44)
CIE-LCH	lch(47.09, 62.63, 130.77°)
OKLab	oklab(53.04% -0.1135 0.1042)
OKLCH	oklch(53.04% 0.154 137.5)
XYZ	xyz(9.3776, 16.0883, 3.1414)
Luminance	0.1609 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397F11 #57117F

analogous

#707F11 #397F11 #117F20

triadic

#397F11 #11397F #7F1139

tetradic

#397F11 #11707F #57117F #7F2011

square

#397F11 #11707F #57117F #7F2011

split-complementary

#397F11 #20117F #7F1170

monochromatic

#0C1B04 #21490A #397F11 #51B518 #6CE228

Accessibility & contrast

On white

4.98

#397F11 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#397F11 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397F11

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397F11	#FFFFFF	#000000	##FFFFFF
##397F11	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837300

Deuteranopia (green-blind)

#7B6E1F

Tritanopia (blue-blind)

#347A6C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #397f11;
/* rgb */ color: rgb(57, 127, 17);
/* oklch */ color: oklch(53.0% 0.154 137.5);

Tailwind

colors: {
  custom: {
    50: '#78a55b',
    500: '#397f11',
    950: '#000000',
  },
}

SCSS

$custom: #397f11;
$custom-light: #78a55b;
$custom-dark: #000000;

JSON

{
  "hex": "#397f11",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 17
  },
  "hsl": {
    "h": 98.182,
    "s": 76.389,
    "l": 28.235
  },
  "oklch": {
    "l": 0.53037,
    "c": 0.15407,
    "h": 137.5
  },
  "luminance": 0.16089
}

Semantic roles & 50–950 ramp

primary

#397F11

secondary

#8737B5

accent

#35F3AE

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#0A0F04

muted

#7C7F79

Preview Lab

Preview with #397F11

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

Preview Lab → · Contrast checker → · Palette generator →