#51D155#51D155

#51D155 is a light, highly saturated green. Relative luminance 0.480; OKLCH L 76.3% C 0.200 H 143.8°. Best body text is #000000 at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#51D155
RGB	rgb(81, 209, 85)
HSL	hsl(122, 58%, 57%)
HSV	hsv(122, 61%, 82%)
CMYK	cmyk(61.2%, 0%, 59.3%, 18%)
CIE-LAB	lab(74.83, -59.47, 50.20)
CIE-LCH	lch(74.83, 77.83, 139.83°)
OKLab	oklab(76.31% -0.1614 0.1182)
OKLCH	oklch(76.31% 0.2 143.8)
XYZ	xyz(27.8319, 48.0035, 16.3915)
Luminance	0.4801 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D155 #D151CD

analogous

#8DD151 #51D155 #51D195

triadic

#51D155 #5551D1 #D15551

tetradic

#51D155 #518DD1 #D151CD #D19551

square

#51D155 #518DD1 #D151CD #D19551

split-complementary

#51D155 #9551D1 #D1518D

monochromatic

#238526 #30B534 #51D155 #81DE84 #B2EBB4

Accessibility & contrast

On white

1.98

#51D155 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.60

#51D155 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D155

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D155	#FFFFFF	#000000	##000000
##51D155	1.00	1.98	10.60	10.60
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.60	21.00	1.00	1.00
##000000	10.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BF48

Deuteranopia (green-blind)

#C5B45F

Tritanopia (blue-blind)

#37CBB6

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #51d155;
/* rgb */ color: rgb(81, 209, 85);
/* oklch */ color: oklch(76.3% 0.200 143.8);

Tailwind

colors: {
  custom: {
    50: '#8fe089',
    500: '#51d155',
    950: '#000000',
  },
}

SCSS

$custom: #51d155;
$custom-light: #8fe089;
$custom-dark: #000000;

JSON

{
  "hex": "#51d155",
  "rgb": {
    "r": 81,
    "g": 209,
    "b": 85
  },
  "hsl": {
    "h": 121.875,
    "s": 58.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.76313,
    "c": 0.2,
    "h": 143.8
  },
  "luminance": 0.48006
}

Semantic roles & 50–950 ramp

primary

#51D155

secondary

#D9A5D7

accent

#46DDE1

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0E150C

muted

#7E837D

Preview Lab

Preview with #51D155

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

Preview Lab → · Contrast checker → · Palette generator →