#51C56E#51C56E

#51C56E is a light, vivid green. Relative luminance 0.428; OKLCH L 73.6% C 0.163 H 149.0°. Best body text is #000000 at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#51C56E
RGB	rgb(81, 197, 110)
HSL	hsl(135, 50%, 55%)
HSV	hsv(135, 59%, 77%)
CMYK	cmyk(58.9%, 0%, 44.2%, 22.7%)
CIE-LAB	lab(71.42, -51.53, 34.03)
CIE-LCH	lch(71.42, 61.75, 146.56°)
OKLab	oklab(73.61% -0.1393 0.0836)
OKLCH	oklch(73.61% 0.163 149)
XYZ	xyz(26.1722, 42.8052, 21.6318)
Luminance	0.4281 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C56E #C551A8

analogous

#6EC551 #51C56E #51C5A8

triadic

#51C56E #6E51C5 #C56E51

tetradic

#51C56E #516EC5 #C551A8 #C5A851

square

#51C56E #516EC5 #C551A8 #C5A851

split-complementary

#51C56E #A851C5 #C5516E

monochromatic

#27753A #36A351 #51C56E #7FD494 #ADE4BB

Accessibility & contrast

On white

2.20

#51C56E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.56

#51C56E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C56E

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C56E	#FFFFFF	#000000	##000000
##51C56E	1.00	2.20	9.56	9.56
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.56	21.00	1.00	1.00
##000000	9.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B567

Deuteranopia (green-blind)

#B7AB74

Tritanopia (blue-blind)

#33C1B0

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #51c56e;
/* rgb */ color: rgb(81, 197, 110);
/* oklch */ color: oklch(73.6% 0.163 149.0);

Tailwind

colors: {
  custom: {
    50: '#8cd799',
    500: '#51c56e',
    950: '#000000',
  },
}

SCSS

$custom: #51c56e;
$custom-light: #8cd799;
$custom-dark: #000000;

JSON

{
  "hex": "#51c56e",
  "rgb": {
    "r": 81,
    "g": 197,
    "b": 110
  },
  "hsl": {
    "h": 135,
    "s": 50,
    "l": 54.51
  },
  "oklch": {
    "l": 0.73608,
    "c": 0.16252,
    "h": 149
  },
  "luminance": 0.42808
}

Semantic roles & 50–950 ramp

primary

#51C56E

secondary

#D1A0C5

accent

#4EB7DA

background

#F9FDF9

surface

#F1FAF2

border

#CBD3CC

text

#0D140E

muted

#7E837E

Preview Lab

Preview with #51C56E

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

Preview Lab → · Contrast checker → · Palette generator →