#51BEA5#51BEA5

#51BEA5 is a light, moderate teal. Relative luminance 0.413; OKLCH L 73.1% C 0.107 H 175.6°. Best body text is #000000 at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#51BEA5
RGB	rgb(81, 190, 165)
HSL	hsl(166, 46%, 53%)
HSV	hsv(166, 57%, 75%)
CMYK	cmyk(57.4%, 0%, 13.2%, 25.5%)
CIE-LAB	lab(70.38, -37.29, 3.28)
CIE-LCH	lch(70.38, 37.43, 174.97°)
OKLab	oklab(73.12% -0.1066 0.0081)
OKLCH	oklch(73.12% 0.107 175.6)
XYZ	xyz(28.5952, 41.2901, 42.0528)
Luminance	0.4129 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BEA5 #BE516A

analogous

#51BE6E #51BEA5 #51A0BE

triadic

#51BEA5 #A551BE #BEA551

tetradic

#51BEA5 #6E51BE #BE516A #A0BE51

square

#51BEA5 #6E51BE #BE516A #A0BE51

split-complementary

#51BEA5 #BE51A0 #BE6E51

monochromatic

#286C5D #399983 #51BEA5 #7ECFBC #AADFD3

Accessibility & contrast

On white

2.27

#51BEA5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.26

#51BEA5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BEA5

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BEA5	#FFFFFF	#000000	##000000
##51BEA5	1.00	2.27	9.26	9.26
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.26	21.00	1.00	1.00
##000000	9.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8B3A4

Deuteranopia (green-blind)

#A7A7A7

Tritanopia (blue-blind)

#00C0B7

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #51bea5;
/* rgb */ color: rgb(81, 190, 165);
/* oklch */ color: oklch(73.1% 0.107 175.6);

Tailwind

colors: {
  custom: {
    50: '#8cd2bf',
    500: '#51bea5',
    950: '#000000',
  },
}

SCSS

$custom: #51bea5;
$custom-light: #8cd2bf;
$custom-dark: #000000;

JSON

{
  "hex": "#51bea5",
  "rgb": {
    "r": 81,
    "g": 190,
    "b": 165
  },
  "hsl": {
    "h": 166.239,
    "s": 45.607,
    "l": 53.137
  },
  "oklch": {
    "l": 0.73116,
    "c": 0.10693,
    "h": 175.6
  },
  "luminance": 0.41293
}

Semantic roles & 50–950 ramp

primary

#51BEA5

secondary

#CD9EA9

accent

#5371D5

background

#F9FCFB

surface

#F1F9F7

border

#CBD2D0

text

#0D1412

muted

#7E8281

Preview Lab

Preview with #51BEA5

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

Preview Lab → · Contrast checker → · Palette generator →