#51B299#51B299

#51B299 is a light, moderate teal. Relative luminance 0.359; OKLCH L 69.8% C 0.099 H 173.9°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#51B299
RGB	rgb(81, 178, 153)
HSL	hsl(165, 39%, 51%)
HSV	hsv(165, 54%, 70%)
CMYK	cmyk(54.5%, 0%, 14%, 30.2%)
CIE-LAB	lab(66.43, -34.70, 4.17)
CIE-LCH	lch(66.43, 34.95, 173.15°)
OKLab	oklab(69.81% -0.0988 0.0105)
OKLCH	oklch(69.81% 0.099 173.9)
XYZ	xyz(25.0609, 35.8877, 35.7372)
Luminance	0.3589 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B299 #B2516A

analogous

#51B268 #51B299 #519AB2

triadic

#51B299 #9951B2 #B29951

tetradic

#51B299 #6851B2 #B2516A #9AB251

square

#51B299 #6851B2 #B2516A #9AB251

split-complementary

#51B299 #B2519A #B26851

monochromatic

#2A5F51 #3D8975 #51B299 #7BC5B2 #A6D8CB

Accessibility & contrast

On white

2.57

#51B299 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.18

#51B299 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B299

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B299	#FFFFFF	#000000	##000000
##51B299	1.00	2.57	8.18	8.18
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.18	21.00	1.00	1.00
##000000	8.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADA898

Deuteranopia (green-blind)

#9E9D9B

Tritanopia (blue-blind)

#1DB4AB

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #51b299;
/* rgb */ color: rgb(81, 178, 153);
/* oklch */ color: oklch(69.8% 0.099 173.9);

Tailwind

colors: {
  custom: {
    50: '#8ac9b7',
    500: '#51b299',
    950: '#000000',
  },
}

SCSS

$custom: #51b299;
$custom-light: #8ac9b7;
$custom-dark: #000000;

JSON

{
  "hex": "#51b299",
  "rgb": {
    "r": 81,
    "g": 178,
    "b": 153
  },
  "hsl": {
    "h": 164.536,
    "s": 38.645,
    "l": 50.784
  },
  "oklch": {
    "l": 0.69811,
    "c": 0.09937,
    "h": 173.9
  },
  "luminance": 0.3589
}

Semantic roles & 50–950 ramp

primary

#51B299

secondary

#C59AA5

accent

#5977CF

background

#F8FCFB

surface

#F0F8F6

border

#CBD1D0

text

#0C1311

muted

#7D8280

Preview Lab

Preview with #51B299

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

Preview Lab → · Contrast checker → · Palette generator →