#31CA51#31CA51

#31CA51 is a light, highly saturated green. Relative luminance 0.435; OKLCH L 73.7% C 0.205 H 146.2°. Best body text is #000000 at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#31CA51
RGB	rgb(49, 202, 81)
HSL	hsl(133, 61%, 49%)
HSV	hsv(133, 76%, 79%)
CMYK	cmyk(75.7%, 0%, 59.9%, 20.8%)
CIE-LAB	lab(71.88, -63.35, 48.42)
CIE-LCH	lch(71.88, 79.73, 142.61°)
OKLab	oklab(73.66% -0.1706 0.1141)
OKLCH	oklch(73.66% 0.205 146.2)
XYZ	xyz(23.8706, 43.4853, 14.9184)
Luminance	0.4349 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31CA51 #CA31AA

analogous

#5ECA31 #31CA51 #31CA9E

triadic

#31CA51 #5131CA #CA5131

tetradic

#31CA51 #315ECA #CA31AA #CA9E31

square

#31CA51 #315ECA #CA31AA #CA9E31

split-complementary

#31CA51 #9E31CA #CA315E

monochromatic

#19672A #25993D #31CA51 #60D879 #91E4A2

Accessibility & contrast

On white

2.17

#31CA51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.70

#31CA51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31CA51

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31CA51	#FFFFFF	#000000	##000000
##31CA51	1.00	2.17	9.70	9.70
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.70	21.00	1.00	1.00
##000000	9.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB744

Deuteranopia (green-blind)

#BCAB5B

Tritanopia (blue-blind)

#00C5B0

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #31ca51;
/* rgb */ color: rgb(49, 202, 81);
/* oklch */ color: oklch(73.7% 0.205 146.2);

Tailwind

colors: {
  custom: {
    50: '#81db86',
    500: '#31ca51',
    950: '#000000',
  },
}

SCSS

$custom: #31ca51;
$custom-light: #81db86;
$custom-dark: #000000;

JSON

{
  "hex": "#31ca51",
  "rgb": {
    "r": 49,
    "g": 202,
    "b": 81
  },
  "hsl": {
    "h": 132.549,
    "s": 60.956,
    "l": 49.216
  },
  "oklch": {
    "l": 0.7366,
    "c": 0.20525,
    "h": 146.2
  },
  "luminance": 0.43488
}

Semantic roles & 50–950 ramp

primary

#31CA51

secondary

#CF88C0

accent

#44C3E4

background

#F8FDF8

surface

#F0FBF0

border

#CBD4CB

text

#0C150B

muted

#7D837C

Preview Lab

Preview with #31CA51

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

Preview Lab → · Contrast checker → · Palette generator →