#51CA4B#51CA4B

#51CA4B is a light, vivid green. Relative luminance 0.445; OKLCH L 74.4% C 0.199 H 142.5°. Best body text is #000000 at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#51CA4B
RGB	rgb(81, 202, 75)
HSL	hsl(117, 55%, 54%)
HSV	hsv(117, 63%, 79%)
CMYK	cmyk(59.9%, 0%, 62.9%, 20.8%)
CIE-LAB	lab(72.56, -58.05, 52.02)
CIE-LCH	lch(72.56, 77.95, 138.14°)
OKLab	oklab(74.41% -0.158 0.1211)
OKLCH	oklch(74.41% 0.199 142.5)
XYZ	xyz(25.7825, 44.4960, 13.8851)
Luminance	0.4450 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CA4B #C44BCA

analogous

#91CA4B #51CA4B #4BCA85

triadic

#51CA4B #4B51CA #CA4B51

tetradic

#51CA4B #4B91CA #C44BCA #CA854B

square

#51CA4B #4B91CA #C44BCA #CA854B

split-complementary

#51CA4B #854BCA #CA4B91

monochromatic

#277723 #37A731 #51CA4B #7FD87A #ACE6AA

Accessibility & contrast

On white

2.12

#51CA4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.90

#51CA4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CA4B

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CA4B	#FFFFFF	#000000	##000000
##51CA4B	1.00	2.12	9.90	9.90
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.90	21.00	1.00	1.00
##000000	9.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB83C

Deuteranopia (green-blind)

#BFAE56

Tritanopia (blue-blind)

#3CC4AF

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #51ca4b;
/* rgb */ color: rgb(81, 202, 75);
/* oklch */ color: oklch(74.4% 0.199 142.5);

Tailwind

colors: {
  custom: {
    50: '#8edb82',
    500: '#51ca4b',
    950: '#000000',
  },
}

SCSS

$custom: #51ca4b;
$custom-light: #8edb82;
$custom-dark: #000000;

JSON

{
  "hex": "#51ca4b",
  "rgb": {
    "r": 81,
    "g": 202,
    "b": 75
  },
  "hsl": {
    "h": 117.165,
    "s": 54.506,
    "l": 54.314
  },
  "oklch": {
    "l": 0.74409,
    "c": 0.19908,
    "h": 142.5
  },
  "luminance": 0.44498
}

Semantic roles & 50–950 ramp

primary

#51CA4B

secondary

#D19DD3

accent

#4ADED7

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0D150B

muted

#7E837C

Preview Lab

Preview with #51CA4B

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

Preview Lab → · Contrast checker → · Palette generator →