#31B758#31B758

#31B758 is a light, vivid green. Relative luminance 0.352; OKLCH L 68.7% C 0.176 H 148.6°. Best body text is #000000 at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#31B758
RGB	rgb(49, 183, 88)
HSL	hsl(137, 58%, 45%)
HSV	hsv(137, 73%, 72%)
CMYK	cmyk(73.2%, 0%, 51.9%, 28.2%)
CIE-LAB	lab(65.92, -55.91, 38.00)
CIE-LCH	lch(65.92, 67.60, 145.80°)
OKLab	oklab(68.75% -0.1504 0.0917)
OKLCH	oklch(68.75% 0.176 148.6)
XYZ	xyz(19.9600, 35.2222, 14.9773)
Luminance	0.3523 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B758 #B73190

analogous

#4DB731 #31B758 #31B79B

triadic

#31B758 #5831B7 #B75831

tetradic

#31B758 #314DB7 #B73190 #B79B31

square

#31B758 #314DB7 #B73190 #B79B31

split-complementary

#31B758 #9B31B7 #B7314D

monochromatic

#17562A #248741 #31B758 #54D178 #84DE9E

Accessibility & contrast

On white

2.61

#31B758 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.05

#31B758 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B758

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B758	#FFFFFF	#000000	##000000
##31B758	1.00	2.61	8.05	8.05
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.05	21.00	1.00	1.00
##000000	8.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A750

Deuteranopia (green-blind)

#A99C5F

Tritanopia (blue-blind)

#00B3A1

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #31b758;
/* rgb */ color: rgb(49, 183, 88);
/* oklch */ color: oklch(68.7% 0.176 148.6);

Tailwind

colors: {
  custom: {
    50: '#7dce89',
    500: '#31b758',
    950: '#000000',
  },
}

SCSS

$custom: #31b758;
$custom-light: #7dce89;
$custom-dark: #000000;

JSON

{
  "hex": "#31b758",
  "rgb": {
    "r": 49,
    "g": 183,
    "b": 88
  },
  "hsl": {
    "h": 137.463,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.68747,
    "c": 0.1762,
    "h": 148.6
  },
  "luminance": 0.35225
}

Semantic roles & 50–950 ramp

primary

#31B758

secondary

#C87CB2

accent

#47B4E1

background

#F8FCF8

surface

#EFF9F0

border

#CAD2CB

text

#0B140C

muted

#7C827D

Preview Lab

Preview with #31B758

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

Preview Lab → · Contrast checker → · Palette generator →