#51CA3B#51CA3B

#51CA3B is a light, highly saturated green. Relative luminance 0.443; OKLCH L 74.3% C 0.210 H 140.9°. Best body text is #000000 at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#51CA3B
RGB	rgb(81, 202, 59)
HSL	hsl(111, 57%, 51%)
HSV	hsv(111, 71%, 79%)
CMYK	cmyk(59.9%, 0%, 70.8%, 20.8%)
CIE-LAB	lab(72.43, -59.52, 58.33)
CIE-LCH	lch(72.43, 83.34, 135.58°)
OKLab	oklab(74.26% -0.1629 0.1326)
OKLCH	oklch(74.26% 0.21 140.9)
XYZ	xyz(25.3021, 44.3038, 11.3549)
Luminance	0.4431 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CA3B #B43BCA

analogous

#98CA3B #51CA3B #3BCA6C

triadic

#51CA3B #3B51CA #CA3B51

tetradic

#51CA3B #3B98CA #B43BCA #CA6C3B

square

#51CA3B #3B98CA #B43BCA #CA6C3B

split-complementary

#51CA3B #6C3BCA #CA3B98

monochromatic

#2A6D1E #3C9D2B #51CA3B #7CD76B #A7E49B

Accessibility & contrast

On white

2.13

#51CA3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.86

#51CA3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CA3B

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CA3B	#FFFFFF	#000000	##000000
##51CA3B	1.00	2.13	9.86	9.86
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.86	21.00	1.00	1.00
##000000	9.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB824

Deuteranopia (green-blind)

#C0AE49

Tritanopia (blue-blind)

#3FC4AE

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #51ca3b;
/* rgb */ color: rgb(81, 202, 59);
/* oklch */ color: oklch(74.3% 0.210 140.9);

Tailwind

colors: {
  custom: {
    50: '#8fdb79',
    500: '#51ca3b',
    950: '#000000',
  },
}

SCSS

$custom: #51ca3b;
$custom-light: #8fdb79;
$custom-dark: #000000;

JSON

{
  "hex": "#51ca3b",
  "rgb": {
    "r": 81,
    "g": 202,
    "b": 59
  },
  "hsl": {
    "h": 110.769,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.74263,
    "c": 0.21,
    "h": 140.9
  },
  "luminance": 0.44306
}

Semantic roles & 50–950 ramp

primary

#51CA3B

secondary

#C691D0

accent

#47E1C9

background

#F9FDF7

surface

#F2FBEE

border

#CCD4C9

text

#0E150A

muted

#7E837C

Preview Lab

Preview with #51CA3B

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

Preview Lab → · Contrast checker → · Palette generator →