#51BFA3#51BFA3

#51BFA3 is a light, moderate teal. Relative luminance 0.417; OKLCH L 73.3% C 0.109 H 173.7°. Best body text is #000000 at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#51BFA3
RGB	rgb(81, 191, 163)
HSL	hsl(165, 46%, 53%)
HSV	hsv(165, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 14.7%, 25.1%)
CIE-LAB	lab(70.63, -38.23, 4.74)
CIE-LCH	lch(70.63, 38.52, 172.94°)
OKLab	oklab(73.3% -0.1086 0.012)
OKLCH	oklch(73.3% 0.109 173.7)
XYZ	xyz(28.6319, 41.6525, 41.1741)
Luminance	0.4165 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BFA3 #BF516D

analogous

#51BF6C #51BFA3 #51A4BF

triadic

#51BFA3 #A351BF #BFA351

tetradic

#51BFA3 #6C51BF #BF516D #A4BF51

square

#51BFA3 #6C51BF #BF516D #A4BF51

split-complementary

#51BFA3 #BF51A4 #BF6C51

monochromatic

#286D5C #399A81 #51BFA3 #7ECFBB #AAE0D2

Accessibility & contrast

On white

2.25

#51BFA3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.33

#51BFA3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFA3

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BFA3	#FFFFFF	#000000	##000000
##51BFA3	1.00	2.25	9.33	9.33
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.33	21.00	1.00	1.00
##000000	9.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9B4A2

Deuteranopia (green-blind)

#A9A8A5

Tritanopia (blue-blind)

#00C1B7

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #51bfa3;
/* rgb */ color: rgb(81, 191, 163);
/* oklch */ color: oklch(73.3% 0.109 173.7);

Tailwind

colors: {
  custom: {
    50: '#8cd3be',
    500: '#51bfa3',
    950: '#000000',
  },
}

SCSS

$custom: #51bfa3;
$custom-light: #8cd3be;
$custom-dark: #000000;

JSON

{
  "hex": "#51bfa3",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 163
  },
  "hsl": {
    "h": 164.727,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.73304,
    "c": 0.10929,
    "h": 173.7
  },
  "luminance": 0.41655
}

Semantic roles & 50–950 ramp

primary

#51BFA3

secondary

#CE9EAA

accent

#5274D6

background

#F9FDFB

surface

#F1FAF6

border

#CBD3D0

text

#0D1412

muted

#7E8381

Preview Lab

Preview with #51BFA3

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

Preview Lab → · Contrast checker → · Palette generator →