#397D12#397D12

#397D12 is a mid, vivid yellow-green. Relative luminance 0.156; OKLCH L 52.5% C 0.151 H 137.4°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#397D12
RGB	rgb(57, 125, 18)
HSL	hsl(98, 75%, 28%)
HSV	hsv(98, 86%, 49%)
CMYK	cmyk(54.4%, 0%, 85.6%, 51%)
CIE-LAB	lab(46.42, -40.06, 46.56)
CIE-LCH	lch(46.42, 61.42, 130.71°)
OKLab	oklab(52.49% -0.1112 0.1025)
OKLCH	oklch(52.49% 0.151 137.4)
XYZ	xyz(9.1298, 15.5801, 3.0983)
Luminance	0.1558 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397D12 #56127D

analogous

#6E7D12 #397D12 #127D21

triadic

#397D12 #12397D #7D1239

tetradic

#397D12 #126E7D #56127D #7D2112

square

#397D12 #126E7D #56127D #7D2112

split-complementary

#397D12 #21127D #7D126E

monochromatic

#0C1B04 #21480A #397D12 #51B21A #6CE029

Accessibility & contrast

On white

5.10

#397D12 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#397D12 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397D12

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397D12	#FFFFFF	#000000	##FFFFFF
##397D12	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817100

Deuteranopia (green-blind)

#796C20

Tritanopia (blue-blind)

#34786A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #397d12;
/* rgb */ color: rgb(57, 125, 18);
/* oklch */ color: oklch(52.5% 0.151 137.4);

Tailwind

colors: {
  custom: {
    50: '#78a35b',
    500: '#397d12',
    950: '#000000',
  },
}

SCSS

$custom: #397d12;
$custom-light: #78a35b;
$custom-dark: #000000;

JSON

{
  "hex": "#397d12",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 18
  },
  "hsl": {
    "h": 98.131,
    "s": 74.825,
    "l": 28.039
  },
  "oklch": {
    "l": 0.52485,
    "c": 0.15123,
    "h": 137.4
  },
  "luminance": 0.15581
}

Semantic roles & 50–950 ramp

primary

#397D12

secondary

#8638B3

accent

#36F1AD

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#090F04

muted

#7B7F79

Preview Lab

Preview with #397D12

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

Preview Lab → · Contrast checker → · Palette generator →