#51C99E#51C99E

#51C99E is a light, vivid teal. Relative luminance 0.460; OKLCH L 75.6% C 0.125 H 166.3°. Best body text is #000000 at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#51C99E
RGB	rgb(81, 201, 158)
HSL	hsl(159, 53%, 55%)
HSV	hsv(159, 60%, 79%)
CMYK	cmyk(59.7%, 0%, 21.4%, 21.2%)
CIE-LAB	lab(73.54, -43.82, 11.60)
CIE-LCH	lch(73.54, 45.33, 165.17°)
OKLab	oklab(75.63% -0.1217 0.0297)
OKLCH	oklch(75.63% 0.125 166.3)
XYZ	xyz(30.4485, 45.9882, 39.6131)
Luminance	0.4599 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C99E #C9517C

analogous

#51C962 #51C99E #51B8C9

triadic

#51C99E #9E51C9 #C99E51

tetradic

#51C99E #6251C9 #C9517C #B8C951

square

#51C99E #6251C9 #C9517C #B8C951

split-complementary

#51C99E #C951B8 #C96251

monochromatic

#267A5C #34A97F #51C99E #80D7B8 #AEE6D2

Accessibility & contrast

On white

2.06

#51C99E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.20

#51C99E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C99E

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C99E	#FFFFFF	#000000	##000000
##51C99E	1.00	2.06	10.20	10.20
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.20	21.00	1.00	1.00
##000000	10.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5BC9C

Deuteranopia (green-blind)

#B4B0A1

Tritanopia (blue-blind)

#00CABD

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #51c99e;
/* rgb */ color: rgb(81, 201, 158);
/* oklch */ color: oklch(75.6% 0.125 166.3);

Tailwind

colors: {
  custom: {
    50: '#8ddaba',
    500: '#51c99e',
    950: '#000000',
  },
}

SCSS

$custom: #51c99e;
$custom-light: #8ddaba;
$custom-dark: #000000;

JSON

{
  "hex": "#51c99e",
  "rgb": {
    "r": 81,
    "g": 201,
    "b": 158
  },
  "hsl": {
    "h": 158.5,
    "s": 52.632,
    "l": 55.294
  },
  "oklch": {
    "l": 0.75634,
    "c": 0.1253,
    "h": 166.3
  },
  "luminance": 0.45991
}

Semantic roles & 50–950 ramp

primary

#51C99E

secondary

#D4A2B4

accent

#4C7FDC

background

#F9FDFB

surface

#F1FBF6

border

#CBD4D0

text

#0D1511

muted

#7E8380

Preview Lab

Preview with #51C99E

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

Preview Lab → · Contrast checker → · Palette generator →