#51D99E#51D99E

#51D99E is a light, vivid teal. Relative luminance 0.538; OKLCH L 79.6% C 0.146 H 161.3°. Best body text is #000000 at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#51D99E
RGB	rgb(81, 217, 158)
HSL	hsl(154, 64%, 58%)
HSV	hsv(154, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 27.2%, 14.9%)
CIE-LAB	lab(78.37, -50.53, 18.37)
CIE-LCH	lch(78.37, 53.76, 160.02°)
OKLab	oklab(79.58% -0.1385 0.0468)
OKLCH	oklch(79.58% 0.146 161.3)
XYZ	xyz(34.3744, 53.8401, 40.9217)
Luminance	0.5384 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D99E #D9518C

analogous

#51D95A #51D99E #51D0D9

triadic

#51D99E #9E51D9 #D99E51

tetradic

#51D99E #5A51D9 #D9518C #D0D951

square

#51D99E #5A51D9 #D9518C #D0D951

split-complementary

#51D99E #D951D0 #D95A51

monochromatic

#1F905F #2AC280 #51D99E #83E4BA #B5EFD6

Accessibility & contrast

On white

1.78

#51D99E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.77

#51D99E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D99E

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D99E	#FFFFFF	#000000	##000000
##51D99E	1.00	1.78	11.77	11.77
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.77	21.00	1.00	1.00
##000000	11.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6CA9B

Deuteranopia (green-blind)

#C4BDA2

Tritanopia (blue-blind)

#00D8C9

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51d99e;
/* rgb */ color: rgb(81, 217, 158);
/* oklch */ color: oklch(79.6% 0.146 161.3);

Tailwind

colors: {
  custom: {
    50: '#8fe5ba',
    500: '#51d99e',
    950: '#000000',
  },
}

SCSS

$custom: #51d99e;
$custom-light: #8fe5ba;
$custom-dark: #000000;

JSON

{
  "hex": "#51d99e",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 158
  },
  "hsl": {
    "h": 153.971,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.79584,
    "c": 0.14619,
    "h": 161.3
  },
  "luminance": 0.53844
}

Semantic roles & 50–950 ramp

primary

#51D99E

secondary

#953961

accent

#4189E7

background

#FCFEFD

surface

#F5FCF8

border

#CFD5D1

text

#0E1611

muted

#7F8481

Preview Lab

Preview with #51D99E

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

Preview Lab → · Contrast checker → · Palette generator →