#51D97E#51D97E

#51D97E is a light, vivid green. Relative luminance 0.529; OKLCH L 78.9% C 0.175 H 151.1°. Best body text is #000000 at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#51D97E
RGB	rgb(81, 217, 126)
HSL	hsl(140, 64%, 58%)
HSV	hsv(140, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 41.9%, 14.9%)
CIE-LAB	lab(77.80, -56.60, 34.16)
CIE-LCH	lch(77.80, 66.11, 148.89°)
OKLab	oklab(78.93% -0.1529 0.0845)
OKLCH	oklch(78.93% 0.175 151.1)
XYZ	xyz(31.9696, 52.8782, 28.2563)
Luminance	0.5288 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D97E #D951AC

analogous

#68D951 #51D97E #51D9C2

triadic

#51D97E #7E51D9 #D97E51

tetradic

#51D97E #5168D9 #D951AC #D9C251

square

#51D97E #5168D9 #D951AC #D9C251

split-complementary

#51D97E #C251D9 #D95168

monochromatic

#1F9045 #2AC25D #51D97E #83E4A3 #B5EFC8

Accessibility & contrast

On white

1.81

#51D97E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.58

#51D97E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D97E

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D97E	#FFFFFF	#000000	##000000
##51D97E	1.00	1.81	11.58	11.58
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.58	21.00	1.00	1.00
##000000	11.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC877

Deuteranopia (green-blind)

#C8BB84

Tritanopia (blue-blind)

#1ED6C3

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51d97e;
/* rgb */ color: rgb(81, 217, 126);
/* oklch */ color: oklch(78.9% 0.175 151.1);

Tailwind

colors: {
  custom: {
    50: '#8fe6a4',
    500: '#51d97e',
    950: '#000000',
  },
}

SCSS

$custom: #51d97e;
$custom-light: #8fe6a4;
$custom-dark: #000000;

JSON

{
  "hex": "#51d97e",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 126
  },
  "hsl": {
    "h": 139.853,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.78934,
    "c": 0.17465,
    "h": 151.1
  },
  "luminance": 0.52881
}

Semantic roles & 50–950 ramp

primary

#51D97E

secondary

#953977

accent

#41B0E7

background

#FCFEFC

surface

#F5FCF6

border

#CFD5D0

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51D97E

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

Preview Lab → · Contrast checker → · Palette generator →