#51D97A#51D97A

#51D97A is a light, vivid green. Relative luminance 0.528; OKLCH L 78.9% C 0.178 H 150.1°. Best body text is #000000 at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#51D97A
RGB	rgb(81, 217, 122)
HSL	hsl(138, 64%, 58%)
HSV	hsv(138, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 43.8%, 14.9%)
CIE-LAB	lab(77.74, -57.26, 36.09)
CIE-LCH	lch(77.74, 67.69, 147.77°)
OKLab	oklab(78.86% -0.1546 0.0888)
OKLCH	oklch(78.86% 0.178 150.1)
XYZ	xyz(31.7166, 52.7770, 26.9241)
Luminance	0.5278 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D97A #D951B0

analogous

#6CD951 #51D97A #51D9BE

triadic

#51D97A #7A51D9 #D97A51

tetradic

#51D97A #516CD9 #D951B0 #D9BE51

square

#51D97A #516CD9 #D951B0 #D9BE51

split-complementary

#51D97A #BE51D9 #D9516C

monochromatic

#1F9041 #2AC258 #51D97A #83E4A0 #B5EFC7

Accessibility & contrast

On white

1.82

#51D97A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.56

#51D97A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D97A

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D97A	#FFFFFF	#000000	##000000
##51D97A	1.00	1.82	11.56	11.56
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.56	21.00	1.00	1.00
##000000	11.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC773

Deuteranopia (green-blind)

#C9BB80

Tritanopia (blue-blind)

#21D5C2

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51d97a;
/* rgb */ color: rgb(81, 217, 122);
/* oklch */ color: oklch(78.9% 0.178 150.1);

Tailwind

colors: {
  custom: {
    50: '#8fe6a1',
    500: '#51d97a',
    950: '#000000',
  },
}

SCSS

$custom: #51d97a;
$custom-light: #8fe6a1;
$custom-dark: #000000;

JSON

{
  "hex": "#51d97a",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 122
  },
  "hsl": {
    "h": 138.088,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.78865,
    "c": 0.17829,
    "h": 150.1
  },
  "luminance": 0.5278
}

Semantic roles & 50–950 ramp

primary

#51D97A

secondary

#953979

accent

#41B5E7

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51D97A

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

Preview Lab → · Contrast checker → · Palette generator →