#31B733#31B733

#31B733 is a light, highly saturated green. Relative luminance 0.348; OKLCH L 68.3% C 0.204 H 143.1°. Best body text is #000000 at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#31B733
RGB	rgb(49, 183, 51)
HSL	hsl(121, 58%, 45%)
HSV	hsv(121, 73%, 72%)
CMYK	cmyk(73.2%, 0%, 72.1%, 28.2%)
CIE-LAB	lab(65.56, -60.24, 53.99)
CIE-LCH	lch(65.56, 80.89, 138.13°)
OKLab	oklab(68.33% -0.1634 0.1227)
OKLCH	oklch(68.33% 0.204 143.1)
XYZ	xyz(18.7965, 34.7568, 8.8495)
Luminance	0.3476 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B733 #B731B5

analogous

#72B731 #31B733 #31B776

triadic

#31B733 #3331B7 #B73331

tetradic

#31B733 #3172B7 #B731B5 #B77631

square

#31B733 #3172B7 #B731B5 #B77631

split-complementary

#31B733 #7631B7 #B73172

monochromatic

#175618 #248726 #31B733 #54D156 #84DE86

Accessibility & contrast

On white

2.64

#31B733 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.95

#31B733 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B733

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B733	#FFFFFF	#000000	##000000
##31B733	1.00	2.64	7.95	7.95
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.95	21.00	1.00	1.00
##000000	7.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA61C

Deuteranopia (green-blind)

#AC9B40

Tritanopia (blue-blind)

#00B29D

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #31b733;
/* rgb */ color: rgb(49, 183, 51);
/* oklch */ color: oklch(68.3% 0.204 143.1);

Tailwind

colors: {
  custom: {
    50: '#7ece73',
    500: '#31b733',
    950: '#000000',
  },
}

SCSS

$custom: #31b733;
$custom-light: #7ece73;
$custom-dark: #000000;

JSON

{
  "hex": "#31b733",
  "rgb": {
    "r": 49,
    "g": 183,
    "b": 51
  },
  "hsl": {
    "h": 120.896,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.68329,
    "c": 0.20438,
    "h": 143.1
  },
  "luminance": 0.34759
}

Semantic roles & 50–950 ramp

primary

#31B733

secondary

#C87CC6

accent

#47DFE1

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0B1408

muted

#7C827B

Preview Lab

Preview with #31B733

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

Preview Lab → · Contrast checker → · Palette generator →