#31B23A#31B23A

#31B23A is a light, vivid green. Relative luminance 0.328; OKLCH L 67.0% C 0.194 H 143.9°. Best body text is #000000 at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#31B23A
RGB	rgb(49, 178, 58)
HSL	hsl(124, 57%, 45%)
HSV	hsv(124, 72%, 70%)
CMYK	cmyk(72.5%, 0%, 67.4%, 30.2%)
CIE-LAB	lab(64.00, -57.95, 49.57)
CIE-LCH	lch(64.00, 76.26, 139.45°)
OKLab	oklab(67.05% -0.1569 0.1143)
OKLCH	oklch(67.05% 0.194 143.9)
XYZ	xyz(17.9496, 32.7972, 9.3867)
Luminance	0.3280 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B23A #B231A9

analogous

#69B231 #31B23A #31B27B

triadic

#31B23A #3A31B2 #B23A31

tetradic

#31B23A #3169B2 #B231A9 #B27B31

square

#31B23A #3169B2 #B231A9 #B27B31

split-complementary

#31B23A #7B31B2 #B23169

monochromatic

#17521B #24822A #31B23A #51CF5A #81DC87

Accessibility & contrast

On white

2.78

#31B23A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.56

#31B23A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B23A

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B23A	#FFFFFF	#000000	##000000
##31B23A	1.00	2.78	7.56	7.56
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.56	21.00	1.00	1.00
##000000	7.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A12A

Deuteranopia (green-blind)

#A79745

Tritanopia (blue-blind)

#00AD99

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #31b23a;
/* rgb */ color: rgb(49, 178, 58);
/* oklch */ color: oklch(67.0% 0.194 143.9);

Tailwind

colors: {
  custom: {
    50: '#7dca76',
    500: '#31b23a',
    950: '#000000',
  },
}

SCSS

$custom: #31b23a;
$custom-light: #7dca76;
$custom-dark: #000000;

JSON

{
  "hex": "#31b23a",
  "rgb": {
    "r": 49,
    "g": 178,
    "b": 58
  },
  "hsl": {
    "h": 124.186,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.6705,
    "c": 0.19411,
    "h": 143.9
  },
  "luminance": 0.32799
}

Semantic roles & 50–950 ramp

primary

#31B23A

secondary

#C579C0

accent

#48D5E0

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #31B23A

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

Preview Lab → · Contrast checker → · Palette generator →