#51CA4D#51CA4D

#51CA4D is a light, vivid green. Relative luminance 0.445; OKLCH L 74.4% C 0.198 H 142.8°. Best body text is #000000 at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#51CA4D
RGB	rgb(81, 202, 77)
HSL	hsl(118, 54%, 55%)
HSV	hsv(118, 62%, 79%)
CMYK	cmyk(59.9%, 0%, 61.9%, 20.8%)
CIE-LAB	lab(72.58, -57.84, 51.17)
CIE-LCH	lch(72.58, 77.23, 138.50°)
OKLab	oklab(74.43% -0.1573 0.1195)
OKLCH	oklch(74.43% 0.198 142.8)
XYZ	xyz(25.8520, 44.5238, 14.2513)
Luminance	0.4453 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CA4D #C64DCA

analogous

#90CA4D #51CA4D #4DCA88

triadic

#51CA4D #4D51CA #CA4D51

tetradic

#51CA4D #4D90CA #C64DCA #CA884D

square

#51CA4D #4D90CA #C64DCA #CA884D

split-complementary

#51CA4D #884DCA #CA4D90

monochromatic

#277924 #36A832 #51CA4D #7FD87C #ADE6AB

Accessibility & contrast

On white

2.12

#51CA4D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.91

#51CA4D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CA4D

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CA4D	#FFFFFF	#000000	##000000
##51CA4D	1.00	2.12	9.91	9.91
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.91	21.00	1.00	1.00
##000000	9.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB83F

Deuteranopia (green-blind)

#BFAE57

Tritanopia (blue-blind)

#3CC4AF

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #51ca4d;
/* rgb */ color: rgb(81, 202, 77);
/* oklch */ color: oklch(74.4% 0.198 142.8);

Tailwind

colors: {
  custom: {
    50: '#8edb83',
    500: '#51ca4d',
    950: '#000000',
  },
}

SCSS

$custom: #51ca4d;
$custom-light: #8edb83;
$custom-dark: #000000;

JSON

{
  "hex": "#51ca4d",
  "rgb": {
    "r": 81,
    "g": 202,
    "b": 77
  },
  "hsl": {
    "h": 118.08,
    "s": 54.113,
    "l": 54.706
  },
  "oklch": {
    "l": 0.74431,
    "c": 0.19757,
    "h": 142.8
  },
  "luminance": 0.44526
}

Semantic roles & 50–950 ramp

primary

#51CA4D

secondary

#D29FD4

accent

#4ADDD9

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0D150B

muted

#7E837C

Preview Lab

Preview with #51CA4D

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

Preview Lab → · Contrast checker → · Palette generator →