#51D290#51D290

#51D290 is a light, vivid green. Relative luminance 0.499; OKLCH L 77.5% C 0.149 H 157.6°. Best body text is #000000 at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#51D290
RGB	rgb(81, 210, 144)
HSL	hsl(149, 59%, 57%)
HSV	hsv(149, 61%, 82%)
CMYK	cmyk(61.4%, 0%, 31.4%, 17.6%)
CIE-LAB	lab(75.98, -50.55, 22.44)
CIE-LCH	lch(75.98, 55.31, 156.06°)
OKLab	oklab(77.54% -0.1377 0.0568)
OKLCH	oklch(77.54% 0.149 157.6)
XYZ	xyz(31.4712, 49.8530, 34.3442)
Luminance	0.4986 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D290 #D25193

analogous

#53D251 #51D290 #51D2D0

triadic

#51D290 #9051D2 #D29051

tetradic

#51D290 #5153D2 #D25193 #D2D051

square

#51D290 #5153D2 #D25193 #D2D051

split-complementary

#51D290 #D051D2 #D25153

monochromatic

#238653 #2FB771 #51D290 #82DFAF #B2EBCE

Accessibility & contrast

On white

1.91

#51D290 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.97

#51D290 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D290

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D290	#FFFFFF	#000000	##000000
##51D290	1.00	1.91	10.97	10.97
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.97	21.00	1.00	1.00
##000000	10.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0C38C

Deuteranopia (green-blind)

#BFB694

Tritanopia (blue-blind)

#0DD1C1

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #51d290;
/* rgb */ color: rgb(81, 210, 144);
/* oklch */ color: oklch(77.5% 0.149 157.6);

Tailwind

colors: {
  custom: {
    50: '#8ee1b1',
    500: '#51d290',
    950: '#000000',
  },
}

SCSS

$custom: #51d290;
$custom-light: #8ee1b1;
$custom-dark: #000000;

JSON

{
  "hex": "#51d290",
  "rgb": {
    "r": 81,
    "g": 210,
    "b": 144
  },
  "hsl": {
    "h": 149.302,
    "s": 58.904,
    "l": 57.059
  },
  "oklch": {
    "l": 0.77536,
    "c": 0.14891,
    "h": 157.6
  },
  "luminance": 0.49856
}

Semantic roles & 50–950 ramp

primary

#51D290

secondary

#DAA5C0

accent

#4696E2

background

#F9FDFA

surface

#F2FBF5

border

#CCD4CF

text

#0D1510

muted

#7E837F

Preview Lab

Preview with #51D290

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

Preview Lab → · Contrast checker → · Palette generator →