#51B122#51B122

#51B122 is a light, vivid green. Relative luminance 0.333; OKLCH L 67.6% C 0.194 H 138.0°. Best body text is #000000 at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#51B122
RGB	rgb(81, 177, 34)
HSL	hsl(100, 68%, 41%)
HSV	hsv(100, 81%, 69%)
CMYK	cmyk(54.2%, 0%, 80.8%, 30.6%)
CIE-LAB	lab(64.41, -52.18, 58.82)
CIE-LCH	lch(64.41, 78.63, 131.58°)
OKLab	oklab(67.59% -0.1445 0.1302)
OKLCH	oklch(67.59% 0.194 138)
XYZ	xyz(19.4035, 33.3076, 6.9196)
Luminance	0.3331 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B122 #8222B1

analogous

#99B122 #51B122 #22B13B

triadic

#51B122 #2251B1 #B12251

tetradic

#51B122 #2299B1 #8222B1 #B13B22

square

#51B122 #2299B1 #8222B1 #B13B22

split-complementary

#51B122 #3B22B1 #B12299

monochromatic

#224A0E #3A7E18 #51B122 #6CD938 #92E36B

Accessibility & contrast

On white

2.74

#51B122 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.66

#51B122 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B122

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B122	#FFFFFF	#000000	##000000
##51B122	1.00	2.74	7.66	7.66
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.66	21.00	1.00	1.00
##000000	7.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A100

Deuteranopia (green-blind)

#AB9933

Tritanopia (blue-blind)

#49AB97

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #51b122;
/* rgb */ color: rgb(81, 177, 34);
/* oklch */ color: oklch(67.6% 0.194 138.0);

Tailwind

colors: {
  custom: {
    50: '#8cc96a',
    500: '#51b122',
    950: '#000000',
  },
}

SCSS

$custom: #51b122;
$custom-light: #8cc96a;
$custom-dark: #000000;

JSON

{
  "hex": "#51b122",
  "rgb": {
    "r": 81,
    "g": 177,
    "b": 34
  },
  "hsl": {
    "h": 100.28,
    "s": 67.773,
    "l": 41.373
  },
  "oklch": {
    "l": 0.67593,
    "c": 0.19447,
    "h": 138
  },
  "luminance": 0.33309
}

Semantic roles & 50–950 ramp

primary

#51B122

secondary

#A866C9

accent

#3DEBB2

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #51B122

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

Preview Lab → · Contrast checker → · Palette generator →