#31B459#31B459

#31B459 is a light, vivid green. Relative luminance 0.340; OKLCH L 68.0% C 0.171 H 149.1°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#31B459
RGB	rgb(49, 180, 89)
HSL	hsl(138, 57%, 45%)
HSV	hsv(138, 73%, 71%)
CMYK	cmyk(72.8%, 0%, 50.6%, 29.4%)
CIE-LAB	lab(64.97, -54.69, 36.33)
CIE-LCH	lch(64.97, 65.66, 146.40°)
OKLab	oklab(67.97% -0.1471 0.0881)
OKLCH	oklch(67.97% 0.171 149.1)
XYZ	xyz(19.3895, 34.0145, 14.9929)
Luminance	0.3402 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B459 #B4318C

analogous

#4AB431 #31B459 #31B49B

triadic

#31B459 #5931B4 #B45931

tetradic

#31B459 #314AB4 #B4318C #B49B31

square

#31B459 #314AB4 #B4318C #B49B31

split-complementary

#31B459 #9B31B4 #B4314A

monochromatic

#175429 #248441 #31B459 #52D079 #82DD9E

Accessibility & contrast

On white

2.69

#31B459 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.80

#31B459 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B459

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B459	#FFFFFF	#000000	##000000
##31B459	1.00	2.69	7.80	7.80
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.80	21.00	1.00	1.00
##000000	7.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A451

Deuteranopia (green-blind)

#A69960

Tritanopia (blue-blind)

#00B19F

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b459;
/* rgb */ color: rgb(49, 180, 89);
/* oklch */ color: oklch(68.0% 0.171 149.1);

Tailwind

colors: {
  custom: {
    50: '#7ccc8a',
    500: '#31b459',
    950: '#000000',
  },
}

SCSS

$custom: #31b459;
$custom-light: #7ccc8a;
$custom-dark: #000000;

JSON

{
  "hex": "#31b459",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 89
  },
  "hsl": {
    "h": 138.321,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.67968,
    "c": 0.17147,
    "h": 149.1
  },
  "luminance": 0.34017
}

Semantic roles & 50–950 ramp

primary

#31B459

secondary

#C67BAF

accent

#47B2E0

background

#F8FCF8

surface

#EFF9F0

border

#CAD2CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #31B459

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

Preview Lab → · Contrast checker → · Palette generator →