#51C99F#51C99F

#51C99F is a light, vivid teal. Relative luminance 0.460; OKLCH L 75.7% C 0.125 H 166.8°. Best body text is #000000 at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#51C99F
RGB	rgb(81, 201, 159)
HSL	hsl(159, 53%, 55%)
HSV	hsv(159, 60%, 79%)
CMYK	cmyk(59.7%, 0%, 20.9%, 21.2%)
CIE-LAB	lab(73.56, -43.59, 11.09)
CIE-LCH	lch(73.56, 44.98, 165.72°)
OKLab	oklab(75.66% -0.1213 0.0284)
OKLCH	oklch(75.66% 0.125 166.8)
XYZ	xyz(30.5349, 46.0228, 40.0683)
Luminance	0.4603 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C99F #C9517B

analogous

#51C963 #51C99F #51B7C9

triadic

#51C99F #9F51C9 #C99F51

tetradic

#51C99F #6351C9 #C9517B #B7C951

square

#51C99F #6351C9 #C9517B #B7C951

split-complementary

#51C99F #C951B7 #C96351

monochromatic

#267A5C #34A980 #51C99F #80D7B9 #AEE6D3

Accessibility & contrast

On white

2.06

#51C99F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.21

#51C99F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C99F

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C99F	#FFFFFF	#000000	##000000
##51C99F	1.00	2.06	10.21	10.21
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.21	21.00	1.00	1.00
##000000	10.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5BC9D

Deuteranopia (green-blind)

#B4B0A2

Tritanopia (blue-blind)

#00CABD

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #51c99f;
/* rgb */ color: rgb(81, 201, 159);
/* oklch */ color: oklch(75.7% 0.125 166.8);

Tailwind

colors: {
  custom: {
    50: '#8ddabb',
    500: '#51c99f',
    950: '#000000',
  },
}

SCSS

$custom: #51c99f;
$custom-light: #8ddabb;
$custom-dark: #000000;

JSON

{
  "hex": "#51c99f",
  "rgb": {
    "r": 81,
    "g": 201,
    "b": 159
  },
  "hsl": {
    "h": 159,
    "s": 52.632,
    "l": 55.294
  },
  "oklch": {
    "l": 0.7566,
    "c": 0.12455,
    "h": 166.8
  },
  "luminance": 0.46026
}

Semantic roles & 50–950 ramp

primary

#51C99F

secondary

#D4A2B3

accent

#4C7EDC

background

#F9FDFB

surface

#F1FBF6

border

#CBD4D0

text

#0D1511

muted

#7E8380

Preview Lab

Preview with #51C99F

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

Preview Lab → · Contrast checker → · Palette generator →