#37BF3B#37BF3B

#37BF3B is a light, highly saturated green. Relative luminance 0.384; OKLCH L 70.7% C 0.207 H 143.4°. Best body text is #000000 at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#37BF3B
RGB	rgb(55, 191, 59)
HSL	hsl(122, 55%, 48%)
HSV	hsv(122, 71%, 75%)
CMYK	cmyk(71.2%, 0%, 69.1%, 25.1%)
CIE-LAB	lab(68.31, -61.14, 53.81)
CIE-LCH	lch(68.31, 81.45, 138.65°)
OKLab	oklab(70.66% -0.1658 0.1233)
OKLCH	oklch(70.66% 0.207 143.4)
XYZ	xyz(20.9945, 38.3873, 10.4399)
Luminance	0.3839 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37BF3B #BF37BB

analogous

#77BF37 #37BF3B #37BF7F

triadic

#37BF3B #3B37BF #BF3B37

tetradic

#37BF3B #3777BF #BF37BB #BF7F37

square

#37BF3B #3777BF #BF37BB #BF7F37

split-complementary

#37BF3B #7F37BF #BF3777

monochromatic

#1C601E #298F2C #37BF3B #62D265 #91DF93

Accessibility & contrast

On white

2.42

#37BF3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.68

#37BF3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37BF3B

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37BF3B	#FFFFFF	#000000	##000000
##37BF3B	1.00	2.42	8.68	8.68
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.68	21.00	1.00	1.00
##000000	8.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AD28

Deuteranopia (green-blind)

#B3A248

Tritanopia (blue-blind)

#01BAA4

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #37bf3b;
/* rgb */ color: rgb(55, 191, 59);
/* oklch */ color: oklch(70.7% 0.207 143.4);

Tailwind

colors: {
  custom: {
    50: '#82d378',
    500: '#37bf3b',
    950: '#000000',
  },
}

SCSS

$custom: #37bf3b;
$custom-light: #82d378;
$custom-dark: #000000;

JSON

{
  "hex": "#37bf3b",
  "rgb": {
    "r": 55,
    "g": 191,
    "b": 59
  },
  "hsl": {
    "h": 121.765,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.70661,
    "c": 0.20661,
    "h": 143.4
  },
  "luminance": 0.3839
}

Semantic roles & 50–950 ramp

primary

#37BF3B

secondary

#CA88C8

accent

#49DADF

background

#F8FDF7

surface

#F0FAEE

border

#CBD3C9

text

#0C1409

muted

#7D837B

Preview Lab

Preview with #37BF3B

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

Preview Lab → · Contrast checker → · Palette generator →