#31B658#31B658

#31B658 is a light, vivid green. Relative luminance 0.348; OKLCH L 68.5% C 0.175 H 148.7°. Best body text is #000000 at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#31B658
RGB	rgb(49, 182, 88)
HSL	hsl(138, 58%, 45%)
HSV	hsv(138, 73%, 71%)
CMYK	cmyk(73.1%, 0%, 51.6%, 28.6%)
CIE-LAB	lab(65.60, -55.56, 37.61)
CIE-LCH	lch(65.60, 67.09, 145.90°)
OKLab	oklab(68.48% -0.1495 0.0909)
OKLCH	oklch(68.48% 0.175 148.7)
XYZ	xyz(19.7545, 34.8112, 14.9088)
Luminance	0.3481 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B658 #B6318F

analogous

#4CB631 #31B658 #31B69A

triadic

#31B658 #5831B6 #B65831

tetradic

#31B658 #314CB6 #B6318F #B69A31

square

#31B658 #314CB6 #B6318F #B69A31

split-complementary

#31B658 #9A31B6 #B6314C

monochromatic

#175629 #248641 #31B658 #53D178 #84DE9E

Accessibility & contrast

On white

2.64

#31B658 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.96

#31B658 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B658

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B658	#FFFFFF	#000000	##000000
##31B658	1.00	2.64	7.96	7.96
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.96	21.00	1.00	1.00
##000000	7.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A650

Deuteranopia (green-blind)

#A89B5F

Tritanopia (blue-blind)

#00B2A0

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #31b658;
/* rgb */ color: rgb(49, 182, 88);
/* oklch */ color: oklch(68.5% 0.175 148.7);

Tailwind

colors: {
  custom: {
    50: '#7ccd89',
    500: '#31b658',
    950: '#000000',
  },
}

SCSS

$custom: #31b658;
$custom-light: #7ccd89;
$custom-dark: #000000;

JSON

{
  "hex": "#31b658",
  "rgb": {
    "r": 49,
    "g": 182,
    "b": 88
  },
  "hsl": {
    "h": 137.594,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.68482,
    "c": 0.17492,
    "h": 148.7
  },
  "luminance": 0.34813
}

Semantic roles & 50–950 ramp

primary

#31B658

secondary

#C77CB1

accent

#47B4E1

background

#F8FCF8

surface

#EFF9F0

border

#CAD2CB

text

#0B140C

muted

#7C827D

Preview Lab

Preview with #31B658

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

Preview Lab → · Contrast checker → · Palette generator →