#51BFA5#51BFA5

#51BFA5 is a light, moderate teal. Relative luminance 0.417; OKLCH L 73.4% C 0.108 H 175.1°. Best body text is #000000 at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#51BFA5
RGB	rgb(81, 191, 165)
HSL	hsl(166, 46%, 53%)
HSV	hsv(166, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 13.6%, 25.1%)
CIE-LAB	lab(70.68, -37.74, 3.72)
CIE-LCH	lch(70.68, 37.93, 174.38°)
OKLab	oklab(73.36% -0.1077 0.0093)
OKLCH	oklch(73.36% 0.108 175.1)
XYZ	xyz(28.8125, 41.7247, 42.1253)
Luminance	0.4173 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BFA5 #BF516B

analogous

#51BF6E #51BFA5 #51A2BF

triadic

#51BFA5 #A551BF #BFA551

tetradic

#51BFA5 #6E51BF #BF516B #A2BF51

square

#51BFA5 #6E51BF #BF516B #A2BF51

split-complementary

#51BFA5 #BF51A2 #BF6E51

monochromatic

#286D5D #399A83 #51BFA5 #7ECFBC #AAE0D3

Accessibility & contrast

On white

2.25

#51BFA5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.35

#51BFA5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFA5

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BFA5	#FFFFFF	#000000	##000000
##51BFA5	1.00	2.25	9.35	9.35
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.35	21.00	1.00	1.00
##000000	9.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9B4A4

Deuteranopia (green-blind)

#A8A8A7

Tritanopia (blue-blind)

#00C1B7

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #51bfa5;
/* rgb */ color: rgb(81, 191, 165);
/* oklch */ color: oklch(73.4% 0.108 175.1);

Tailwind

colors: {
  custom: {
    50: '#8cd3bf',
    500: '#51bfa5',
    950: '#000000',
  },
}

SCSS

$custom: #51bfa5;
$custom-light: #8cd3bf;
$custom-dark: #000000;

JSON

{
  "hex": "#51bfa5",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 165
  },
  "hsl": {
    "h": 165.818,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.73362,
    "c": 0.10812,
    "h": 175.1
  },
  "luminance": 0.41728
}

Semantic roles & 50–950 ramp

primary

#51BFA5

secondary

#CE9EA9

accent

#5271D6

background

#F9FDFB

surface

#F1FAF7

border

#CBD3D0

text

#0D1412

muted

#7E8381

Preview Lab

Preview with #51BFA5

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

Preview Lab → · Contrast checker → · Palette generator →