#51CD4B#51CD4B

#51CD4B is a light, highly saturated green. Relative luminance 0.459; OKLCH L 75.2% C 0.203 H 142.5°. Best body text is #000000 at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#51CD4B
RGB	rgb(81, 205, 75)
HSL	hsl(117, 57%, 55%)
HSV	hsv(117, 63%, 80%)
CMYK	cmyk(60.5%, 0%, 63.4%, 19.6%)
CIE-LAB	lab(73.49, -59.13, 53.06)
CIE-LCH	lch(73.49, 79.44, 138.10°)
OKLab	oklab(75.18% -0.1609 0.1233)
OKLCH	oklch(75.18% 0.203 142.5)
XYZ	xyz(26.4932, 45.9175, 14.1221)
Luminance	0.4592 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CD4B #C74BCD

analogous

#92CD4B #51CD4B #4BCD86

triadic

#51CD4B #4B51CD #CD4B51

tetradic

#51CD4B #4B92CD #C74BCD #CD864B

square

#51CD4B #4B92CD #C74BCD #CD864B

split-complementary

#51CD4B #864BCD #CD4B92

monochromatic

#267B22 #35AB30 #51CD4B #7FDA7B #AEE8AB

Accessibility & contrast

On white

2.06

#51CD4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.18

#51CD4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CD4B

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CD4B	#FFFFFF	#000000	##000000
##51CD4B	1.00	2.06	10.18	10.18
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.18	21.00	1.00	1.00
##000000	10.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1BB3B

Deuteranopia (green-blind)

#C2B156

Tritanopia (blue-blind)

#3BC7B2

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #51cd4b;
/* rgb */ color: rgb(81, 205, 75);
/* oklch */ color: oklch(75.2% 0.203 142.5);

Tailwind

colors: {
  custom: {
    50: '#8fdd82',
    500: '#51cd4b',
    950: '#000000',
  },
}

SCSS

$custom: #51cd4b;
$custom-light: #8fdd82;
$custom-dark: #000000;

JSON

{
  "hex": "#51cd4b",
  "rgb": {
    "r": 81,
    "g": 205,
    "b": 75
  },
  "hsl": {
    "h": 117.231,
    "s": 56.522,
    "l": 54.902
  },
  "oklch": {
    "l": 0.7518,
    "c": 0.20273,
    "h": 142.5
  },
  "luminance": 0.4592
}

Semantic roles & 50–950 ramp

primary

#51CD4B

secondary

#D39FD5

accent

#48E0D9

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0E150B

muted

#7E837C

Preview Lab

Preview with #51CD4B

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

Preview Lab → · Contrast checker → · Palette generator →