#31B659#31B659

#31B659 is a light, vivid green. Relative luminance 0.348; OKLCH L 68.5% C 0.174 H 148.9°. Best body text is #000000 at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#31B659
RGB	rgb(49, 182, 89)
HSL	hsl(138, 58%, 45%)
HSV	hsv(138, 73%, 71%)
CMYK	cmyk(73.1%, 0%, 51.1%, 28.6%)
CIE-LAB	lab(65.61, -55.40, 37.13)
CIE-LCH	lch(65.61, 66.69, 146.17°)
OKLab	oklab(68.5% -0.149 0.0898)
OKLCH	oklch(68.5% 0.174 148.9)
XYZ	xyz(19.7962, 34.8279, 15.1284)
Luminance	0.3483 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B659 #B6318E

analogous

#4BB631 #31B659 #31B69B

triadic

#31B659 #5931B6 #B65931

tetradic

#31B659 #314BB6 #B6318E #B69B31

square

#31B659 #314BB6 #B6318E #B69B31

split-complementary

#31B659 #9B31B6 #B6314B

monochromatic

#17562A #248641 #31B659 #53D179 #84DE9F

Accessibility & contrast

On white

2.64

#31B659 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.97

#31B659 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B659

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B659	#FFFFFF	#000000	##000000
##31B659	1.00	2.64	7.97	7.97
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.97	21.00	1.00	1.00
##000000	7.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A651

Deuteranopia (green-blind)

#A89B60

Tritanopia (blue-blind)

#00B2A0

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #31b659;
/* rgb */ color: rgb(49, 182, 89);
/* oklch */ color: oklch(68.5% 0.174 148.9);

Tailwind

colors: {
  custom: {
    50: '#7ccd8a',
    500: '#31b659',
    950: '#000000',
  },
}

SCSS

$custom: #31b659;
$custom-light: #7ccd8a;
$custom-dark: #000000;

JSON

{
  "hex": "#31b659",
  "rgb": {
    "r": 49,
    "g": 182,
    "b": 89
  },
  "hsl": {
    "h": 138.045,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.68497,
    "c": 0.17403,
    "h": 148.9
  },
  "luminance": 0.3483
}

Semantic roles & 50–950 ramp

primary

#31B659

secondary

#C77CB0

accent

#47B3E1

background

#F8FCF8

surface

#EFF9F0

border

#CAD2CB

text

#0B140C

muted

#7C827D

Preview Lab

Preview with #31B659

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

Preview Lab → · Contrast checker → · Palette generator →