#397F15#397F15

#397F15 is a mid, vivid yellow-green. Relative luminance 0.161; OKLCH L 53.1% C 0.152 H 137.8°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#397F15
RGB	rgb(57, 127, 21)
HSL	hsl(100, 72%, 29%)
HSV	hsv(100, 83%, 50%)
CMYK	cmyk(55.1%, 0%, 83.5%, 50.2%)
CIE-LAB	lab(47.11, -40.70, 46.32)
CIE-LCH	lch(47.11, 61.66, 131.31°)
OKLab	oklab(53.06% -0.1128 0.1024)
OKLCH	oklch(53.06% 0.152 137.8)
XYZ	xyz(9.4117, 16.1020, 3.3214)
Luminance	0.1610 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397F15 #5B157F

analogous

#6E7F15 #397F15 #157F26

triadic

#397F15 #15397F #7F1539

tetradic

#397F15 #156E7F #5B157F #7F2615

square

#397F15 #156E7F #5B157F #7F2615

split-complementary

#397F15 #26157F #7F156E

monochromatic

#0C1A04 #214A0C #397F15 #51B41E #6CDD31

Accessibility & contrast

On white

4.98

#397F15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#397F15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397F15

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397F15	#FFFFFF	#000000	##FFFFFF
##397F15	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)

#7A6E22

Tritanopia (blue-blind)

#347A6C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #397f15;
/* rgb */ color: rgb(57, 127, 21);
/* oklch */ color: oklch(53.1% 0.152 137.8);

Tailwind

colors: {
  custom: {
    50: '#78a55d',
    500: '#397f15',
    950: '#000000',
  },
}

SCSS

$custom: #397f15;
$custom-light: #78a55d;
$custom-dark: #000000;

JSON

{
  "hex": "#397f15",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 21
  },
  "hsl": {
    "h": 99.623,
    "s": 71.622,
    "l": 29.02
  },
  "oklch": {
    "l": 0.53058,
    "c": 0.15233,
    "h": 137.8
  },
  "luminance": 0.16103
}

Semantic roles & 50–950 ramp

primary

#397F15

secondary

#8B3CB4

accent

#39EEB1

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #397F15

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

Preview Lab → · Contrast checker → · Palette generator →