#51CB5F#51CB5F

#51CB5F is a light, vivid green. Relative luminance 0.453; OKLCH L 74.9% C 0.184 H 145.5°. Best body text is #000000 at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#51CB5F
RGB	rgb(81, 203, 95)
HSL	hsl(127, 54%, 56%)
HSV	hsv(127, 60%, 80%)
CMYK	cmyk(60.1%, 0%, 53.2%, 20.4%)
CIE-LAB	lab(73.08, -56.04, 43.51)
CIE-LCH	lch(73.08, 70.95, 142.17°)
OKLab	oklab(74.91% -0.1517 0.1043)
OKLCH	oklch(74.91% 0.184 145.5)
XYZ	xyz(26.8132, 45.2849, 18.1521)
Luminance	0.4529 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CB5F #CB51BD

analogous

#80CB51 #51CB5F #51CB9C

triadic

#51CB5F #5F51CB #CB5F51

tetradic

#51CB5F #5180CB #CB51BD #CB9C51

square

#51CB5F #5180CB #CB51BD #CB9C51

split-complementary

#51CB5F #9C51CB #CB5180

monochromatic

#257C2F #33AC41 #51CB5F #80D98A #AFE7B6

Accessibility & contrast

On white

2.09

#51CB5F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.06

#51CB5F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CB5F

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CB5F	#FFFFFF	#000000	##000000
##51CB5F	1.00	2.09	10.06	10.06
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.06	21.00	1.00	1.00
##000000	10.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEBA55

Deuteranopia (green-blind)

#BFAF67

Tritanopia (blue-blind)

#36C6B3

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51cb5f;
/* rgb */ color: rgb(81, 203, 95);
/* oklch */ color: oklch(74.9% 0.184 145.5);

Tailwind

colors: {
  custom: {
    50: '#8edc8f',
    500: '#51cb5f',
    950: '#000000',
  },
}

SCSS

$custom: #51cb5f;
$custom-light: #8edc8f;
$custom-dark: #000000;

JSON

{
  "hex": "#51cb5f",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 95
  },
  "hsl": {
    "h": 126.885,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.74906,
    "c": 0.1841,
    "h": 145.5
  },
  "luminance": 0.45287
}

Semantic roles & 50–950 ramp

primary

#51CB5F

secondary

#D5A3CF

accent

#4ACCDD

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #51CB5F

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

Preview Lab → · Contrast checker → · Palette generator →