#37B231#37B231

#37B231 is a light, vivid green. Relative luminance 0.329; OKLCH L 67.1% C 0.198 H 142.4°. Best body text is #000000 at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#37B231
RGB	rgb(55, 178, 49)
HSL	hsl(117, 57%, 45%)
HSV	hsv(117, 72%, 70%)
CMYK	cmyk(69.1%, 0%, 72.5%, 30.2%)
CIE-LAB	lab(64.06, -57.68, 53.23)
CIE-LCH	lch(64.06, 78.49, 137.30°)
OKLab	oklab(67.12% -0.1569 0.1209)
OKLCH	oklch(67.12% 0.198 142.4)
XYZ	xyz(18.0493, 32.8728, 8.2990)
Luminance	0.3287 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B231 #AC31B2

analogous

#78B231 #37B231 #31B26B

triadic

#37B231 #3137B2 #B23137

tetradic

#37B231 #3178B2 #AC31B2 #B26B31

square

#37B231 #3178B2 #AC31B2 #B26B31

split-complementary

#37B231 #6B31B2 #B23178

monochromatic

#195217 #288224 #37B231 #57CF51 #85DC81

Accessibility & contrast

On white

2.77

#37B231 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.57

#37B231 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B231

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B231	#FFFFFF	#000000	##000000
##37B231	1.00	2.77	7.57	7.57
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.57	21.00	1.00	1.00
##000000	7.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A11B

Deuteranopia (green-blind)

#A8973E

Tritanopia (blue-blind)

#17AD99

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #37b231;
/* rgb */ color: rgb(55, 178, 49);
/* oklch */ color: oklch(67.1% 0.198 142.4);

Tailwind

colors: {
  custom: {
    50: '#7fca71',
    500: '#37b231',
    950: '#000000',
  },
}

SCSS

$custom: #37b231;
$custom-light: #7fca71;
$custom-dark: #000000;

JSON

{
  "hex": "#37b231",
  "rgb": {
    "r": 55,
    "g": 178,
    "b": 49
  },
  "hsl": {
    "h": 117.209,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.67116,
    "c": 0.19806,
    "h": 142.4
  },
  "luminance": 0.32875
}

Semantic roles & 50–950 ramp

primary

#37B231

secondary

#C279C5

accent

#48E0D9

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0B1308

muted

#7C827B

Preview Lab

Preview with #37B231

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

Preview Lab → · Contrast checker → · Palette generator →