#397B21#397B21

#397B21 is a mid, vivid green. Relative luminance 0.151; OKLCH L 52.0% C 0.140 H 138.7°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#397B21
RGB	rgb(57, 123, 33)
HSL	hsl(104, 58%, 31%)
HSV	hsv(104, 73%, 48%)
CMYK	cmyk(53.7%, 0%, 73.2%, 51.8%)
CIE-LAB	lab(45.83, -38.25, 40.76)
CIE-LCH	lch(45.83, 55.90, 133.18°)
OKLab	oklab(52.03% -0.1054 0.0926)
OKLCH	oklch(52.03% 0.14 138.7)
XYZ	xyz(9.0445, 15.1449, 3.8852)
Luminance	0.1515 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397B21 #63217B

analogous

#667B21 #397B21 #217B36

triadic

#397B21 #21397B #7B2139

tetradic

#397B21 #21667B #63217B #7B3621

square

#397B21 #21667B #63217B #7B3621

split-complementary

#397B21 #36217B #7B2166

monochromatic

#0C1A07 #234B14 #397B21 #4FAB2E #6CCE48

Accessibility & contrast

On white

5.21

#397B21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#397B21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397B21

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397B21	#FFFFFF	#000000	##FFFFFF
##397B21	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F7013

Deuteranopia (green-blind)

#766A2A

Tritanopia (blue-blind)

#337769

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #397b21;
/* rgb */ color: rgb(57, 123, 33);
/* oklch */ color: oklch(52.0% 0.140 138.7);

Tailwind

colors: {
  custom: {
    50: '#76a262',
    500: '#397b21',
    950: '#000000',
  },
}

SCSS

$custom: #397b21;
$custom-light: #76a262;
$custom-dark: #000000;

JSON

{
  "hex": "#397b21",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 33
  },
  "hsl": {
    "h": 104,
    "s": 57.692,
    "l": 30.588
  },
  "oklch": {
    "l": 0.5203,
    "c": 0.14031,
    "h": 138.7
  },
  "luminance": 0.15146
}

Semantic roles & 50–950 ramp

primary

#397B21

secondary

#934AAE

accent

#47E1B8

background

#F7FAF6

surface

#EDF3EB

border

#C8CDC6

text

#090F05

muted

#7B7F7A

Preview Lab

Preview with #397B21

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

Preview Lab → · Contrast checker → · Palette generator →