#51CB4D#51CB4D

#51CB4D is a light, vivid green. Relative luminance 0.450; OKLCH L 74.7% C 0.199 H 142.8°. Best body text is #000000 at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#51CB4D
RGB	rgb(81, 203, 77)
HSL	hsl(118, 55%, 55%)
HSV	hsv(118, 62%, 80%)
CMYK	cmyk(60.1%, 0%, 62.1%, 20.4%)
CIE-LAB	lab(72.89, -58.20, 51.52)
CIE-LCH	lch(72.89, 77.73, 138.48°)
OKLab	oklab(74.69% -0.1583 0.1203)
OKLCH	oklch(74.69% 0.199 142.8)
XYZ	xyz(26.0874, 44.9946, 14.3298)
Luminance	0.4500 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CB4D #C74DCB

analogous

#90CB4D #51CB4D #4DCB88

triadic

#51CB4D #4D51CB #CB4D51

tetradic

#51CB4D #4D90CB #C74DCB #CB884D

square

#51CB4D #4D90CB #C74DCB #CB884D

split-complementary

#51CB4D #884DCB #CB4D90

monochromatic

#267A24 #35A931 #51CB4D #7FD97C #AEE7AC

Accessibility & contrast

On white

2.10

#51CB4D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.00

#51CB4D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CB4D

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CB4D	#FFFFFF	#000000	##000000
##51CB4D	1.00	2.10	10.00	10.00
#FFFFFF	2.10	1.00	21.00	21.00
#000000	10.00	21.00	1.00	1.00
##000000	10.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB93F

Deuteranopia (green-blind)

#C0AF58

Tritanopia (blue-blind)

#3BC5B0

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51cb4d;
/* rgb */ color: rgb(81, 203, 77);
/* oklch */ color: oklch(74.7% 0.199 142.8);

Tailwind

colors: {
  custom: {
    50: '#8edc83',
    500: '#51cb4d',
    950: '#000000',
  },
}

SCSS

$custom: #51cb4d;
$custom-light: #8edc83;
$custom-dark: #000000;

JSON

{
  "hex": "#51cb4d",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 77
  },
  "hsl": {
    "h": 118.095,
    "s": 54.783,
    "l": 54.902
  },
  "oklch": {
    "l": 0.74687,
    "c": 0.19879,
    "h": 142.8
  },
  "luminance": 0.44997
}

Semantic roles & 50–950 ramp

primary

#51CB4D

secondary

#D39FD4

accent

#4ADED9

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0E150B

muted

#7E837C

Preview Lab

Preview with #51CB4D

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

Preview Lab → · Contrast checker → · Palette generator →