#31B41B#31B41B

#31B41B is a light, highly saturated green. Relative luminance 0.334; OKLCH L 67.4% C 0.213 H 141.3°. Best body text is #000000 at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#31B41B
RGB	rgb(49, 180, 27)
HSL	hsl(111, 74%, 41%)
HSV	hsv(111, 85%, 71%)
CMYK	cmyk(72.8%, 0%, 85%, 29.4%)
CIE-LAB	lab(64.46, -60.83, 60.40)
CIE-LCH	lch(64.46, 85.72, 135.21°)
OKLab	oklab(67.38% -0.1661 0.1329)
OKLCH	oklch(67.38% 0.213 141.3)
XYZ	xyz(17.7847, 33.3726, 6.5410)
Luminance	0.3337 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B41B #9E1BB4

analogous

#7DB41B #31B41B #1BB452

triadic

#31B41B #1B31B4 #B41B31

tetradic

#31B41B #1B7DB4 #9E1BB4 #B4521B

square

#31B41B #1B7DB4 #9E1BB4 #B4521B

split-complementary

#31B41B #521BB4 #B41B7D

monochromatic

#144A0B #237F13 #31B41B #46DF2D #75E762

Accessibility & contrast

On white

2.74

#31B41B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.67

#31B41B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B41B

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B41B	#FFFFFF	#000000	##000000
##31B41B	1.00	2.74	7.67	7.67
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.67	21.00	1.00	1.00
##000000	7.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A200

Deuteranopia (green-blind)

#AA9830

Tritanopia (blue-blind)

#05AE99

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #31b41b;
/* rgb */ color: rgb(49, 180, 27);
/* oklch */ color: oklch(67.4% 0.213 141.3);

Tailwind

colors: {
  custom: {
    50: '#7ecc68',
    500: '#31b41b',
    950: '#000000',
  },
}

SCSS

$custom: #31b41b;
$custom-light: #7ecc68;
$custom-dark: #000000;

JSON

{
  "hex": "#31b41b",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 27
  },
  "hsl": {
    "h": 111.373,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.67377,
    "c": 0.21272,
    "h": 141.3
  },
  "luminance": 0.33375
}

Semantic roles & 50–950 ramp

primary

#31B41B

secondary

#BC5FCC

accent

#37F1D6

background

#F8FCF6

surface

#F0F9EB

border

#CBD2C6

text

#0C1307

muted

#7D827A

Preview Lab

Preview with #31B41B

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

Preview Lab → · Contrast checker → · Palette generator →