#31B438#31B438

#31B438 is a light, vivid green. Relative luminance 0.336; OKLCH L 67.6% C 0.198 H 143.7°. Best body text is #000000 at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#31B438
RGB	rgb(49, 180, 56)
HSL	hsl(123, 57%, 45%)
HSV	hsv(123, 73%, 71%)
CMYK	cmyk(72.8%, 0%, 68.9%, 29.4%)
CIE-LAB	lab(64.63, -58.81, 51.07)
CIE-LCH	lch(64.63, 77.89, 139.03°)
OKLab	oklab(67.57% -0.1593 0.1172)
OKLCH	oklch(67.57% 0.198 143.7)
XYZ	xyz(18.3005, 33.5790, 9.2575)
Luminance	0.3358 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B438 #B431AD

analogous

#6CB431 #31B438 #31B479

triadic

#31B438 #3831B4 #B43831

tetradic

#31B438 #316CB4 #B431AD #B47931

square

#31B438 #316CB4 #B431AD #B47931

split-complementary

#31B438 #7931B4 #B4316C

monochromatic

#17541A #248429 #31B438 #52D059 #82DD87

Accessibility & contrast

On white

2.72

#31B438 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.72

#31B438 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B438

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B438	#FFFFFF	#000000	##000000
##31B438	1.00	2.72	7.72	7.72
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.72	21.00	1.00	1.00
##000000	7.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A326

Deuteranopia (green-blind)

#A99944

Tritanopia (blue-blind)

#00AF9B

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b438;
/* rgb */ color: rgb(49, 180, 56);
/* oklch */ color: oklch(67.6% 0.198 143.7);

Tailwind

colors: {
  custom: {
    50: '#7dcc75',
    500: '#31b438',
    950: '#000000',
  },
}

SCSS

$custom: #31b438;
$custom-light: #7dcc75;
$custom-dark: #000000;

JSON

{
  "hex": "#31b438",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 56
  },
  "hsl": {
    "h": 123.206,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.67568,
    "c": 0.19779,
    "h": 143.7
  },
  "luminance": 0.33581
}

Semantic roles & 50–950 ramp

primary

#31B438

secondary

#C67BC2

accent

#47D8E0

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #31B438

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

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