#51D67B#51D67B

#51D67B is a light, vivid green. Relative luminance 0.513; OKLCH L 78.1% C 0.173 H 150.7°. Best body text is #000000 at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#51D67B
RGB	rgb(81, 214, 123)
HSL	hsl(139, 62%, 58%)
HSV	hsv(139, 62%, 84%)
CMYK	cmyk(62.1%, 0%, 42.5%, 16.1%)
CIE-LAB	lab(76.84, -55.96, 34.43)
CIE-LCH	lch(76.84, 65.70, 148.40°)
OKLab	oklab(78.13% -0.1511 0.085)
OKLCH	oklch(78.13% 0.173 150.7)
XYZ	xyz(31.0127, 51.2694, 26.9967)
Luminance	0.5127 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D67B #D651AC

analogous

#6AD651 #51D67B #51D6BD

triadic

#51D67B #7B51D6 #D67B51

tetradic

#51D67B #516AD6 #D651AC #D6BD51

square

#51D67B #516AD6 #D651AC #D6BD51

split-complementary

#51D67B #BD51D6 #D6516A

monochromatic

#218C43 #2DBD5A #51D67B #83E2A1 #B4EDC6

Accessibility & contrast

On white

1.87

#51D67B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.25

#51D67B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D67B

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D67B	#FFFFFF	#000000	##000000
##51D67B	1.00	1.87	11.25	11.25
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.25	21.00	1.00	1.00
##000000	11.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C574

Deuteranopia (green-blind)

#C6B981

Tritanopia (blue-blind)

#22D3C0

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #51d67b;
/* rgb */ color: rgb(81, 214, 123);
/* oklch */ color: oklch(78.1% 0.173 150.7);

Tailwind

colors: {
  custom: {
    50: '#8fe4a2',
    500: '#51d67b',
    950: '#000000',
  },
}

SCSS

$custom: #51d67b;
$custom-light: #8fe4a2;
$custom-dark: #000000;

JSON

{
  "hex": "#51d67b",
  "rgb": {
    "r": 81,
    "g": 214,
    "b": 123
  },
  "hsl": {
    "h": 138.947,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.78128,
    "c": 0.17341,
    "h": 150.7
  },
  "luminance": 0.51273
}

Semantic roles & 50–950 ramp

primary

#51D67B

secondary

#923A76

accent

#43B2E5

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51D67B

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

Preview Lab → · Contrast checker → · Palette generator →