#31B280#31B280

#31B280 is a light, vivid teal. Relative luminance 0.341; OKLCH L 68.2% C 0.133 H 162.5°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#31B280
RGB	rgb(49, 178, 128)
HSL	hsl(157, 57%, 45%)
HSV	hsv(157, 72%, 70%)
CMYK	cmyk(72.5%, 0%, 28.1%, 30.2%)
CIE-LAB	lab(65.00, -46.49, 15.77)
CIE-LCH	lch(65.00, 49.09, 161.26°)
OKLab	oklab(68.21% -0.1272 0.0402)
OKLCH	oklch(68.21% 0.133 162.5)
XYZ	xyz(21.0811, 34.0498, 25.8791)
Luminance	0.3405 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B280 #B23163

analogous

#31B240 #31B280 #31A4B2

triadic

#31B280 #8031B2 #B28031

tetradic

#31B280 #4031B2 #B23163 #A4B231

square

#31B280 #4031B2 #B23163 #A4B231

split-complementary

#31B280 #B231A4 #B24031

monochromatic

#17523B #24825D #31B280 #51CF9E #81DCB9

Accessibility & contrast

On white

2.69

#31B280 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.81

#31B280 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B280

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B280	#FFFFFF	#000000	##000000
##31B280	1.00	2.69	7.81	7.81
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.81	21.00	1.00	1.00
##000000	7.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFA57D

Deuteranopia (green-blind)

#9F9983

Tritanopia (blue-blind)

#00B2A4

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b280;
/* rgb */ color: rgb(49, 178, 128);
/* oklch */ color: oklch(68.2% 0.133 162.5);

Tailwind

colors: {
  custom: {
    50: '#7bcaa5',
    500: '#31b280',
    950: '#000000',
  },
}

SCSS

$custom: #31b280;
$custom-light: #7bcaa5;
$custom-dark: #000000;

JSON

{
  "hex": "#31b280",
  "rgb": {
    "r": 49,
    "g": 178,
    "b": 128
  },
  "hsl": {
    "h": 156.744,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.68208,
    "c": 0.13342,
    "h": 162.5
  },
  "luminance": 0.34052
}

Semantic roles & 50–950 ramp

primary

#31B280

secondary

#C57997

accent

#4883E0

background

#F8FCFA

surface

#EFF8F4

border

#CAD1CE

text

#0B130F

muted

#7C827F

Preview Lab

Preview with #31B280

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

Preview Lab → · Contrast checker → · Palette generator →