#51D489#51D489

#51D489 is a light, vivid green. Relative luminance 0.506; OKLCH L 77.9% C 0.158 H 154.8°. Best body text is #000000 at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#51D489
RGB	rgb(81, 212, 137)
HSL	hsl(146, 60%, 57%)
HSV	hsv(146, 62%, 83%)
CMYK	cmyk(61.8%, 0%, 35.4%, 16.9%)
CIE-LAB	lab(76.46, -52.71, 26.75)
CIE-LCH	lch(76.46, 59.10, 153.09°)
OKLab	oklab(77.89% -0.1429 0.0672)
OKLCH	oklch(77.89% 0.158 154.8)
XYZ	xyz(31.4495, 50.6393, 31.7790)
Luminance	0.5064 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D489 #D4519C

analogous

#5AD451 #51D489 #51D4CB

triadic

#51D489 #8951D4 #D48951

tetradic

#51D489 #515AD4 #D4519C #D4CB51

square

#51D489 #515AD4 #D4519C #D4CB51

split-complementary

#51D489 #CB51D4 #D4515A

monochromatic

#22894E #2EBA6A #51D489 #82E0AA #B3ECCC

Accessibility & contrast

On white

1.89

#51D489 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.13

#51D489 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D489

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D489	#FFFFFF	#000000	##000000
##51D489	1.00	1.89	11.13	11.13
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.13	21.00	1.00	1.00
##000000	11.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3C484

Deuteranopia (green-blind)

#C2B88E

Tritanopia (blue-blind)

#16D2C1

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51d489;
/* rgb */ color: rgb(81, 212, 137);
/* oklch */ color: oklch(77.9% 0.158 154.8);

Tailwind

colors: {
  custom: {
    50: '#8ee2ac',
    500: '#51d489',
    950: '#000000',
  },
}

SCSS

$custom: #51d489;
$custom-light: #8ee2ac;
$custom-dark: #000000;

JSON

{
  "hex": "#51d489",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 137
  },
  "hsl": {
    "h": 145.649,
    "s": 60.369,
    "l": 57.451
  },
  "oklch": {
    "l": 0.77889,
    "c": 0.1579,
    "h": 154.8
  },
  "luminance": 0.50642
}

Semantic roles & 50–950 ramp

primary

#51D489

secondary

#8F3A6B

accent

#449FE4

background

#FCFEFD

surface

#F4FCF7

border

#CED5D0

text

#0D1510

muted

#7F8481

Preview Lab

Preview with #51D489

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

Preview Lab → · Contrast checker → · Palette generator →