#51CB54#51CB54

#51CB54 is a light, vivid green. Relative luminance 0.451; OKLCH L 74.8% C 0.193 H 143.7°. Best body text is #000000 at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#51CB54
RGB	rgb(81, 203, 84)
HSL	hsl(121, 54%, 56%)
HSV	hsv(121, 60%, 80%)
CMYK	cmyk(60.1%, 0%, 58.6%, 20.4%)
CIE-LAB	lab(72.96, -57.42, 48.49)
CIE-LCH	lch(72.96, 75.16, 139.82°)
OKLab	oklab(74.77% -0.1558 0.1144)
OKLCH	oklch(74.77% 0.193 143.7)
XYZ	xyz(26.3480, 45.0988, 15.7022)
Luminance	0.4510 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CB54 #CB51C8

analogous

#8BCB51 #51CB54 #51CB91

triadic

#51CB54 #5451CB #CB5451

tetradic

#51CB54 #518BCB #CB51C8 #CB9151

square

#51CB54 #518BCB #CB51C8 #CB9151

split-complementary

#51CB54 #9151CB #CB518B

monochromatic

#257C27 #33AC36 #51CB54 #80D982 #AFE7B1

Accessibility & contrast

On white

2.10

#51CB54 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.02

#51CB54 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CB54

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CB54	#FFFFFF	#000000	##000000
##51CB54	1.00	2.10	10.02	10.02
#FFFFFF	2.10	1.00	21.00	21.00
#000000	10.02	21.00	1.00	1.00
##000000	10.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB948

Deuteranopia (green-blind)

#BFAF5D

Tritanopia (blue-blind)

#3AC6B1

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51cb54;
/* rgb */ color: rgb(81, 203, 84);
/* oklch */ color: oklch(74.8% 0.193 143.7);

Tailwind

colors: {
  custom: {
    50: '#8edc88',
    500: '#51cb54',
    950: '#000000',
  },
}

SCSS

$custom: #51cb54;
$custom-light: #8edc88;
$custom-dark: #000000;

JSON

{
  "hex": "#51cb54",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 84
  },
  "hsl": {
    "h": 121.475,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.74766,
    "c": 0.19331,
    "h": 143.7
  },
  "luminance": 0.45101
}

Semantic roles & 50–950 ramp

primary

#51CB54

secondary

#D5A3D4

accent

#4ADADD

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #51CB54

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

Preview Lab → · Contrast checker → · Palette generator →