#51CB4E#51CB4E

#51CB4E is a light, vivid green. Relative luminance 0.450; OKLCH L 74.7% C 0.198 H 142.9°. Best body text is #000000 at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#51CB4E
RGB	rgb(81, 203, 78)
HSL	hsl(119, 55%, 55%)
HSV	hsv(119, 62%, 80%)
CMYK	cmyk(60.1%, 0%, 61.6%, 20.4%)
CIE-LAB	lab(72.90, -58.09, 51.10)
CIE-LCH	lch(72.90, 77.37, 138.67°)
OKLab	oklab(74.7% -0.158 0.1194)
OKLCH	oklch(74.7% 0.198 142.9)
XYZ	xyz(26.1230, 45.0088, 14.5172)
Luminance	0.4501 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CB4E #C84ECB

analogous

#8FCB4E #51CB4E #4ECB89

triadic

#51CB4E #4E51CB #CB4E51

tetradic

#51CB4E #4E8FCB #C84ECB #CB894E

square

#51CB4E #4E8FCB #C84ECB #CB894E

split-complementary

#51CB4E #894ECB #CB4E8F

monochromatic

#267B24 #35AA32 #51CB4E #80D97D #AEE7AD

Accessibility & contrast

On white

2.10

#51CB4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.00

#51CB4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CB4E

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CB4E	#FFFFFF	#000000	##000000
##51CB4E	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)

#CFB940

Deuteranopia (green-blind)

#C0AF58

Tritanopia (blue-blind)

#3BC5B0

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51cb4e;
/* rgb */ color: rgb(81, 203, 78);
/* oklch */ color: oklch(74.7% 0.198 142.9);

Tailwind

colors: {
  custom: {
    50: '#8edc84',
    500: '#51cb4e',
    950: '#000000',
  },
}

SCSS

$custom: #51cb4e;
$custom-light: #8edc84;
$custom-dark: #000000;

JSON

{
  "hex": "#51cb4e",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 78
  },
  "hsl": {
    "h": 118.56,
    "s": 54.585,
    "l": 55.098
  },
  "oklch": {
    "l": 0.74698,
    "c": 0.19803,
    "h": 142.9
  },
  "luminance": 0.45011
}

Semantic roles & 50–950 ramp

primary

#51CB4E

secondary

#D3A0D5

accent

#4ADEDA

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0D150B

muted

#7E837C

Preview Lab

Preview with #51CB4E

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

Preview Lab → · Contrast checker → · Palette generator →