#51C9BE#51C9BE

#51C9BE is a light, moderate teal. Relative luminance 0.472; OKLCH L 76.6% C 0.108 H 186.8°. Best body text is #000000 at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#51C9BE
RGB	rgb(81, 201, 190)
HSL	hsl(175, 53%, 55%)
HSV	hsv(175, 60%, 79%)
CMYK	cmyk(59.7%, 0%, 5.5%, 21.2%)
CIE-LAB	lab(74.34, -35.97, -4.53)
CIE-LCH	lch(74.34, 36.25, 187.18°)
OKLab	oklab(76.55% -0.1072 -0.0128)
OKLCH	oklch(76.55% 0.108 186.8)
XYZ	xyz(33.5701, 47.2368, 56.0537)
Luminance	0.4724 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C9BE #C9515C

analogous

#51C982 #51C9BE #5198C9

triadic

#51C9BE #BE51C9 #C9BE51

tetradic

#51C9BE #8251C9 #C9515C #98C951

square

#51C9BE #8251C9 #C9515C #98C951

split-complementary

#51C9BE #C95198 #C98251

monochromatic

#267A72 #34A99E #51C9BE #80D7CF #AEE6E1

Accessibility & contrast

On white

2.01

#51C9BE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.45

#51C9BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C9BE

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C9BE	#FFFFFF	#000000	##000000
##51C9BE	1.00	2.01	10.45	10.45
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.45	21.00	1.00	1.00
##000000	10.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFBFBE

Deuteranopia (green-blind)

#ADB1BF

Tritanopia (blue-blind)

#00CDC5

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #51c9be;
/* rgb */ color: rgb(81, 201, 190);
/* oklch */ color: oklch(76.6% 0.108 186.8);

Tailwind

colors: {
  custom: {
    50: '#8edad1',
    500: '#51c9be',
    950: '#000000',
  },
}

SCSS

$custom: #51c9be;
$custom-light: #8edad1;
$custom-dark: #000000;

JSON

{
  "hex": "#51c9be",
  "rgb": {
    "r": 81,
    "g": 201,
    "b": 190
  },
  "hsl": {
    "h": 174.5,
    "s": 52.632,
    "l": 55.294
  },
  "oklch": {
    "l": 0.76554,
    "c": 0.10799,
    "h": 186.8
  },
  "luminance": 0.4724
}

Semantic roles & 50–950 ramp

primary

#51C9BE

secondary

#D4A2A6

accent

#4C59DC

background

#F9FDFC

surface

#F2FAF9

border

#CCD3D2

text

#0D1514

muted

#7E8382

Preview Lab

Preview with #51C9BE

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

Preview Lab → · Contrast checker → · Palette generator →