#397D10#397D10

#397D10 is a mid, vivid yellow-green. Relative luminance 0.156; OKLCH L 52.5% C 0.152 H 137.2°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#397D10
RGB	rgb(57, 125, 16)
HSL	hsl(97, 77%, 28%)
HSV	hsv(97, 87%, 49%)
CMYK	cmyk(54.4%, 0%, 87.2%, 51%)
CIE-LAB	lab(46.41, -40.15, 47.09)
CIE-LCH	lch(46.41, 61.89, 130.45°)
OKLab	oklab(52.48% -0.1116 0.1033)
OKLCH	oklch(52.48% 0.152 137.2)
XYZ	xyz(9.1142, 15.5738, 3.0159)
Luminance	0.1557 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397D10 #54107D

analogous

#707D10 #397D10 #107D1D

triadic

#397D10 #10397D #7D1039

tetradic

#397D10 #10707D #54107D #7D1D10

square

#397D10 #10707D #54107D #7D1D10

split-complementary

#397D10 #1D107D #7D1070

monochromatic

#0C1B03 #204709 #397D10 #52B317 #6CE324

Accessibility & contrast

On white

5.10

#397D10 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#397D10 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397D10

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397D10	#FFFFFF	#000000	##FFFFFF
##397D10	1.00	5.10	4.11	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.11	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)

#796C1F

Tritanopia (blue-blind)

#34786A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #397d10;
/* rgb */ color: rgb(57, 125, 16);
/* oklch */ color: oklch(52.5% 0.152 137.2);

Tailwind

colors: {
  custom: {
    50: '#78a35b',
    500: '#397d10',
    950: '#000000',
  },
}

SCSS

$custom: #397d10;
$custom-light: #78a35b;
$custom-dark: #000000;

JSON

{
  "hex": "#397d10",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 16
  },
  "hsl": {
    "h": 97.431,
    "s": 77.305,
    "l": 27.647
  },
  "oklch": {
    "l": 0.52475,
    "c": 0.15205,
    "h": 137.2
  },
  "luminance": 0.15574
}

Semantic roles & 50–950 ramp

primary

#397D10

secondary

#8435B3

accent

#34F4AC

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#0A0F04

muted

#7C7F79

Preview Lab

Preview with #397D10

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

Preview Lab → · Contrast checker → · Palette generator →