#397F10#397F10

#397F10 is a mid, vivid yellow-green. Relative luminance 0.161; OKLCH L 53.0% C 0.154 H 137.4°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#397F10
RGB	rgb(57, 127, 16)
HSL	hsl(98, 78%, 28%)
HSV	hsv(98, 87%, 50%)
CMYK	cmyk(55.1%, 0%, 87.4%, 50.2%)
CIE-LAB	lab(47.09, -40.95, 47.69)
CIE-LCH	lch(47.09, 62.86, 130.65°)
OKLab	oklab(53.03% -0.1137 0.1046)
OKLCH	oklch(53.03% 0.154 137.4)
XYZ	xyz(9.3699, 16.0853, 3.1011)
Luminance	0.1609 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397F10 #56107F

analogous

#707F10 #397F10 #107F1F

triadic

#397F10 #10397F #7F1039

tetradic

#397F10 #10707F #56107F #7F1F10

square

#397F10 #10707F #56107F #7F1F10

split-complementary

#397F10 #1F107F #7F1070

monochromatic

#0C1B03 #214909 #397F10 #51B517 #6CE426

Accessibility & contrast

On white

4.98

#397F10 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#397F10 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397F10

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397F10	#FFFFFF	#000000	##FFFFFF
##397F10	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: #397f10;
/* rgb */ color: rgb(57, 127, 16);
/* oklch */ color: oklch(53.0% 0.154 137.4);

Tailwind

colors: {
  custom: {
    50: '#78a55b',
    500: '#397f10',
    950: '#000000',
  },
}

SCSS

$custom: #397f10;
$custom-light: #78a55b;
$custom-dark: #000000;

JSON

{
  "hex": "#397f10",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 16
  },
  "hsl": {
    "h": 97.838,
    "s": 77.622,
    "l": 28.039
  },
  "oklch": {
    "l": 0.53033,
    "c": 0.15446,
    "h": 137.4
  },
  "luminance": 0.16086
}

Semantic roles & 50–950 ramp

primary

#397F10

secondary

#8636B5

accent

#34F4AD

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#0A0F04

muted

#7C7F79

Preview Lab

Preview with #397F10

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

Preview Lab → · Contrast checker → · Palette generator →