#33B581#33B581

#33B581 is a light, vivid teal. Relative luminance 0.353; OKLCH L 69.1% C 0.136 H 161.8°. Best body text is #000000 at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#33B581
RGB	rgb(51, 181, 129)
HSL	hsl(156, 56%, 45%)
HSV	hsv(156, 72%, 71%)
CMYK	cmyk(71.8%, 0%, 28.7%, 29%)
CIE-LAB	lab(66.01, -47.19, 16.63)
CIE-LCH	lch(66.01, 50.03, 160.59°)
OKLab	oklab(69.05% -0.129 0.0423)
OKLCH	oklch(69.05% 0.136 161.8)
XYZ	xyz(21.8493, 35.3340, 26.4333)
Luminance	0.3534 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33B581 #B53367

analogous

#33B540 #33B581 #33A8B5

triadic

#33B581 #8133B5 #B58133

tetradic

#33B581 #4033B5 #B53367 #A8B533

square

#33B581 #4033B5 #B53367 #A8B533

split-complementary

#33B581 #B533A8 #B54033

monochromatic

#18563D #26855F #33B581 #56CF9F #86DDBA

Accessibility & contrast

On white

2.60

#33B581 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.07

#33B581 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #33B581

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33B581	#FFFFFF	#000000	##000000
##33B581	1.00	2.60	8.07	8.07
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.07	21.00	1.00	1.00
##000000	8.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2A77E

Deuteranopia (green-blind)

#A29C84

Tritanopia (blue-blind)

#00B5A7

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #33b581;
/* rgb */ color: rgb(51, 181, 129);
/* oklch */ color: oklch(69.1% 0.136 161.8);

Tailwind

colors: {
  custom: {
    50: '#7ccca5',
    500: '#33b581',
    950: '#000000',
  },
}

SCSS

$custom: #33b581;
$custom-light: #7ccca5;
$custom-dark: #000000;

JSON

{
  "hex": "#33b581",
  "rgb": {
    "r": 51,
    "g": 181,
    "b": 129
  },
  "hsl": {
    "h": 156,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.69053,
    "c": 0.13575,
    "h": 161.8
  },
  "luminance": 0.35337
}

Semantic roles & 50–950 ramp

primary

#33B581

secondary

#C67D9B

accent

#4885DF

background

#F8FCFA

surface

#EFF9F4

border

#CAD2CE

text

#0B130F

muted

#7C827F

Preview Lab

Preview with #33B581

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

Preview Lab → · Contrast checker → · Palette generator →