#51D550#51D550

#51D550 is a light, highly saturated green. Relative luminance 0.499; OKLCH L 77.3% C 0.209 H 143.1°. Best body text is #000000 at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#51D550
RGB	rgb(81, 213, 80)
HSL	hsl(120, 61%, 57%)
HSV	hsv(120, 62%, 84%)
CMYK	cmyk(62%, 0%, 62.4%, 16.5%)
CIE-LAB	lab(76.02, -61.44, 53.74)
CIE-LCH	lch(76.02, 81.63, 138.82°)
OKLab	oklab(77.28% -0.1669 0.1253)
OKLCH	oklch(77.28% 0.209 143.1)
XYZ	xyz(28.6339, 49.9142, 15.7133)
Luminance	0.4992 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D550 #D450D5

analogous

#93D550 #51D550 #50D592

triadic

#51D550 #5051D5 #D55051

tetradic

#51D550 #5093D5 #D450D5 #D59250

square

#51D550 #5093D5 #D450D5 #D59250

split-complementary

#51D550 #9250D5 #D55093

monochromatic

#228A21 #2EBB2D #51D550 #82E181 #B3EDB3

Accessibility & contrast

On white

1.91

#51D550 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.98

#51D550 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D550

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D550	#FFFFFF	#000000	##000000
##51D550	1.00	1.91	10.98	10.98
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.98	21.00	1.00	1.00
##000000	10.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C240

Deuteranopia (green-blind)

#C9B75B

Tritanopia (blue-blind)

#37CFB9

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #51d550;
/* rgb */ color: rgb(81, 213, 80);
/* oklch */ color: oklch(77.3% 0.209 143.1);

Tailwind

colors: {
  custom: {
    50: '#90e386',
    500: '#51d550',
    950: '#000000',
  },
}

SCSS

$custom: #51d550;
$custom-light: #90e386;
$custom-dark: #000000;

JSON

{
  "hex": "#51d550",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 80
  },
  "hsl": {
    "h": 119.549,
    "s": 61.29,
    "l": 57.451
  },
  "oklch": {
    "l": 0.7728,
    "c": 0.20871,
    "h": 143.1
  },
  "luminance": 0.49917
}

Semantic roles & 50–950 ramp

primary

#51D550

secondary

#DBA6DB

accent

#43E4E3

background

#F9FEF8

surface

#F2FCF0

border

#CCD5CB

text

#0E160B

muted

#7E847C

Preview Lab

Preview with #51D550

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

Preview Lab → · Contrast checker → · Palette generator →