#51CF45#51CF45

#51CF45 is a light, highly saturated green. Relative luminance 0.468; OKLCH L 75.6% C 0.209 H 141.9°. Best body text is #000000 at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#51CF45
RGB	rgb(81, 207, 69)
HSL	hsl(115, 59%, 54%)
HSV	hsv(115, 67%, 81%)
CMYK	cmyk(60.9%, 0%, 66.7%, 18.8%)
CIE-LAB	lab(74.06, -60.42, 56.17)
CIE-LCH	lch(74.06, 82.49, 137.09°)
OKLab	oklab(75.63% -0.1647 0.1293)
OKLCH	oklch(75.63% 0.209 141.9)
XYZ	xyz(26.7789, 46.8021, 13.2516)
Luminance	0.4681 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CF45 #C345CF

analogous

#96CF45 #51CF45 #45CF7E

triadic

#51CF45 #4551CF #CF4551

tetradic

#51CF45 #4596CF #C345CF #CF7E45

square

#51CF45 #4596CF #C345CF #CF7E45

split-complementary

#51CF45 #7E45CF #CF4596

monochromatic

#277A20 #37AB2C #51CF45 #7FDC76 #ACE8A6

Accessibility & contrast

On white

2.03

#51CF45 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.36

#51CF45 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CF45

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CF45	#FFFFFF	#000000	##000000
##51CF45	1.00	2.03	10.36	10.36
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.36	21.00	1.00	1.00
##000000	10.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BD32

Deuteranopia (green-blind)

#C4B252

Tritanopia (blue-blind)

#3CC9B3

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #51cf45;
/* rgb */ color: rgb(81, 207, 69);
/* oklch */ color: oklch(75.6% 0.209 141.9);

Tailwind

colors: {
  custom: {
    50: '#8fdf7f',
    500: '#51cf45',
    950: '#000000',
  },
}

SCSS

$custom: #51cf45;
$custom-light: #8fdf7f;
$custom-dark: #000000;

JSON

{
  "hex": "#51cf45",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 69
  },
  "hsl": {
    "h": 114.783,
    "s": 58.974,
    "l": 54.118
  },
  "oklch": {
    "l": 0.75635,
    "c": 0.20938,
    "h": 141.9
  },
  "luminance": 0.46805
}

Semantic roles & 50–950 ramp

primary

#51CF45

secondary

#D09BD5

accent

#46E2D5

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0E150A

muted

#7E837C

Preview Lab

Preview with #51CF45

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

Preview Lab → · Contrast checker → · Palette generator →