#51C5BF#51C5BF

#51C5BF is a light, moderate teal. Relative luminance 0.454; OKLCH L 75.6% C 0.104 H 190.5°. Best body text is #000000 at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#51C5BF
RGB	rgb(81, 197, 191)
HSL	hsl(177, 50%, 55%)
HSV	hsv(177, 59%, 77%)
CMYK	cmyk(58.9%, 0%, 3%, 22.7%)
CIE-LAB	lab(73.18, -33.83, -6.79)
CIE-LCH	lch(73.18, 34.51, 191.35°)
OKLab	oklab(75.62% -0.1026 -0.0189)
OKLCH	oklch(75.62% 0.104 190.5)
XYZ	xyz(32.7594, 45.4401, 56.3245)
Luminance	0.4544 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C5BF #C55157

analogous

#51C585 #51C5BF #5191C5

triadic

#51C5BF #BF51C5 #C5BF51

tetradic

#51C5BF #8551C5 #C55157 #91C551

square

#51C5BF #8551C5 #C55157 #91C551

split-complementary

#51C5BF #C55191 #C58551

monochromatic

#277571 #36A39D #51C5BF #7FD4D0 #ADE4E1

Accessibility & contrast

On white

2.08

#51C5BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.09

#51C5BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C5BF

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C5BF	#FFFFFF	#000000	##000000
##51C5BF	1.00	2.08	10.09	10.09
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.09	21.00	1.00	1.00
##000000	10.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BABCBF

Deuteranopia (green-blind)

#A8AEC0

Tritanopia (blue-blind)

#00CAC3

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #51c5bf;
/* rgb */ color: rgb(81, 197, 191);
/* oklch */ color: oklch(75.6% 0.104 190.5);

Tailwind

colors: {
  custom: {
    50: '#8ed7d2',
    500: '#51c5bf',
    950: '#000000',
  },
}

SCSS

$custom: #51c5bf;
$custom-light: #8ed7d2;
$custom-dark: #000000;

JSON

{
  "hex": "#51c5bf",
  "rgb": {
    "r": 81,
    "g": 197,
    "b": 191
  },
  "hsl": {
    "h": 176.897,
    "s": 50,
    "l": 54.51
  },
  "oklch": {
    "l": 0.75623,
    "c": 0.10429,
    "h": 190.5
  },
  "luminance": 0.45443
}

Semantic roles & 50–950 ramp

primary

#51C5BF

secondary

#D1A0A3

accent

#4E55DA

background

#F9FDFC

surface

#F2FAF9

border

#CCD3D2

text

#0D1414

muted

#7E8382

Preview Lab

Preview with #51C5BF

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

Preview Lab → · Contrast checker → · Palette generator →