#31B138#31B138

#31B138 is a light, vivid green. Relative luminance 0.324; OKLCH L 66.8% C 0.194 H 143.7°. Best body text is #000000 at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#31B138
RGB	rgb(49, 177, 56)
HSL	hsl(123, 57%, 44%)
HSV	hsv(123, 72%, 69%)
CMYK	cmyk(72.3%, 0%, 68.4%, 30.6%)
CIE-LAB	lab(63.66, -57.81, 50.03)
CIE-LCH	lch(63.66, 76.45, 139.13°)
OKLab	oklab(66.76% -0.1566 0.115)
OKLCH	oklch(66.76% 0.194 143.7)
XYZ	xyz(17.7014, 32.3808, 9.0578)
Luminance	0.3238 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B138 #B131AA

analogous

#6AB131 #31B138 #31B178

triadic

#31B138 #3831B1 #B13831

tetradic

#31B138 #316AB1 #B131AA #B17831

square

#31B138 #316AB1 #B131AA #B17831

split-complementary

#31B138 #7831B1 #B1316A

monochromatic

#16511A #248129 #31B138 #51CF57 #80DC85

Accessibility & contrast

On white

2.81

#31B138 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.48

#31B138 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B138

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B138	#FFFFFF	#000000	##000000
##31B138	1.00	2.81	7.48	7.48
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.48	21.00	1.00	1.00
##000000	7.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A027

Deuteranopia (green-blind)

#A69643

Tritanopia (blue-blind)

#00AC98

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #31b138;
/* rgb */ color: rgb(49, 177, 56);
/* oklch */ color: oklch(66.8% 0.194 143.7);

Tailwind

colors: {
  custom: {
    50: '#7dc975',
    500: '#31b138',
    950: '#000000',
  },
}

SCSS

$custom: #31b138;
$custom-light: #7dc975;
$custom-dark: #000000;

JSON

{
  "hex": "#31b138",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 56
  },
  "hsl": {
    "h": 123.281,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.66762,
    "c": 0.19432,
    "h": 143.7
  },
  "luminance": 0.32383
}

Semantic roles & 50–950 ramp

primary

#31B138

secondary

#C579C1

accent

#48D8E0

background

#F8FCF7

surface

#EFF8ED

border

#CAD1C8

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #31B138

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

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