#51CA9F#51CA9F

#51CA9F is a light, vivid teal. Relative luminance 0.465; OKLCH L 75.9% C 0.126 H 166.4°. Best body text is #000000 at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#51CA9F
RGB	rgb(81, 202, 159)
HSL	hsl(159, 53%, 55%)
HSV	hsv(159, 60%, 79%)
CMYK	cmyk(59.9%, 0%, 21.3%, 20.8%)
CIE-LAB	lab(73.86, -44.02, 11.52)
CIE-LCH	lch(73.86, 45.51, 165.33°)
OKLab	oklab(75.91% -0.1223 0.0295)
OKLCH	oklch(75.91% 0.126 166.4)
XYZ	xyz(30.7688, 46.4905, 40.1462)
Luminance	0.4649 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CA9F #CA517C

analogous

#51CA62 #51CA9F #51B8CA

triadic

#51CA9F #9F51CA #CA9F51

tetradic

#51CA9F #6251CA #CA517C #B8CA51

square

#51CA9F #6251CA #CA517C #B8CA51

split-complementary

#51CA9F #CA51B8 #CA6251

monochromatic

#257B5D #34AA80 #51CA9F #80D8B9 #AFE7D3

Accessibility & contrast

On white

2.04

#51CA9F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.30

#51CA9F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CA9F

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CA9F	#FFFFFF	#000000	##000000
##51CA9F	1.00	2.04	10.30	10.30
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.30	21.00	1.00	1.00
##000000	10.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6BD9D

Deuteranopia (green-blind)

#B5B0A2

Tritanopia (blue-blind)

#00CBBE

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #51ca9f;
/* rgb */ color: rgb(81, 202, 159);
/* oklch */ color: oklch(75.9% 0.126 166.4);

Tailwind

colors: {
  custom: {
    50: '#8ddbbb',
    500: '#51ca9f',
    950: '#000000',
  },
}

SCSS

$custom: #51ca9f;
$custom-light: #8ddbbb;
$custom-dark: #000000;

JSON

{
  "hex": "#51ca9f",
  "rgb": {
    "r": 81,
    "g": 202,
    "b": 159
  },
  "hsl": {
    "h": 158.678,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.75907,
    "c": 0.12584,
    "h": 166.4
  },
  "luminance": 0.46494
}

Semantic roles & 50–950 ramp

primary

#51CA9F

secondary

#D5A2B4

accent

#4B7FDD

background

#F9FDFB

surface

#F1FBF6

border

#CBD4D0

text

#0D1511

muted

#7E8380

Preview Lab

Preview with #51CA9F

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

Preview Lab → · Contrast checker → · Palette generator →