#51B214#51B214

#51B214 is a light, highly saturated yellow-green. Relative luminance 0.336; OKLCH L 67.8% C 0.201 H 137.4°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#51B214
RGB	rgb(81, 178, 20)
HSL	hsl(97, 80%, 39%)
HSV	hsv(97, 89%, 70%)
CMYK	cmyk(54.5%, 0%, 88.8%, 30.2%)
CIE-LAB	lab(64.68, -53.15, 62.44)
CIE-LCH	lch(64.68, 82.00, 130.40°)
OKLab	oklab(67.8% -0.1477 0.1359)
OKLCH	oklch(67.8% 0.201 137.4)
XYZ	xyz(19.4394, 33.6391, 6.1303)
Luminance	0.3364 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B214 #7514B2

analogous

#A0B214 #51B214 #14B226

triadic

#51B214 #1451B2 #B21451

tetradic

#51B214 #14A0B2 #7514B2 #B22614

square

#51B214 #14A0B2 #7514B2 #B22614

split-complementary

#51B214 #2614B2 #B214A0

monochromatic

#1F4408 #387B0E #51B214 #6BE61E #8FEC55

Accessibility & contrast

On white

2.72

#51B214 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.73

#51B214 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B214

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B214	#FFFFFF	#000000	##000000
##51B214	1.00	2.72	7.73	7.73
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.73	21.00	1.00	1.00
##000000	7.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A200

Deuteranopia (green-blind)

#AC9A2C

Tritanopia (blue-blind)

#4AAB97

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #51b214;
/* rgb */ color: rgb(81, 178, 20);
/* oklch */ color: oklch(67.8% 0.201 137.4);

Tailwind

colors: {
  custom: {
    50: '#8dca65',
    500: '#51b214',
    950: '#000000',
  },
}

SCSS

$custom: #51b214;
$custom-light: #8dca65;
$custom-dark: #000000;

JSON

{
  "hex": "#51b214",
  "rgb": {
    "r": 81,
    "g": 178,
    "b": 20
  },
  "hsl": {
    "h": 96.835,
    "s": 79.798,
    "l": 38.824
  },
  "oklch": {
    "l": 0.67796,
    "c": 0.20071,
    "h": 137.4
  },
  "luminance": 0.33641
}

Semantic roles & 50–950 ramp

primary

#51B214

secondary

#9F53CE

accent

#32F6AA

background

#F9FCF6

surface

#F1F8EB

border

#CBD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #51B214

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

Preview Lab → · Contrast checker → · Palette generator →