#51B62B#51B62B

#51B62B is a light, vivid green. Relative luminance 0.354; OKLCH L 69.0% C 0.196 H 138.9°. Best body text is #000000 at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#51B62B
RGB	rgb(81, 182, 43)
HSL	hsl(104, 62%, 44%)
HSV	hsv(104, 76%, 71%)
CMYK	cmyk(55.5%, 0%, 76.4%, 28.6%)
CIE-LAB	lab(66.04, -53.50, 57.58)
CIE-LCH	lch(66.04, 78.60, 132.90°)
OKLab	oklab(68.96% -0.1475 0.1289)
OKLCH	oklch(68.96% 0.196 138.9)
XYZ	xyz(20.5565, 35.3779, 8.0304)
Luminance	0.3538 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B62B #902BB6

analogous

#97B62B #51B62B #2BB64B

triadic

#51B62B #2B51B6 #B62B51

tetradic

#51B62B #2B97B6 #902BB6 #B64B2B

square

#51B62B #2B97B6 #902BB6 #B64B2B

split-complementary

#51B62B #4B2BB6 #B62B97

monochromatic

#255314 #3B841F #51B62B #70D44A #97E07B

Accessibility & contrast

On white

2.60

#51B62B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.08

#51B62B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B62B

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B62B	#FFFFFF	#000000	##000000
##51B62B	1.00	2.60	8.08	8.08
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.08	21.00	1.00	1.00
##000000	8.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA609

Deuteranopia (green-blind)

#AF9D3A

Tritanopia (blue-blind)

#47B09C

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #51b62b;
/* rgb */ color: rgb(81, 182, 43);
/* oklch */ color: oklch(69.0% 0.196 138.9);

Tailwind

colors: {
  custom: {
    50: '#8dcd6f',
    500: '#51b62b',
    950: '#000000',
  },
}

SCSS

$custom: #51b62b;
$custom-light: #8dcd6f;
$custom-dark: #000000;

JSON

{
  "hex": "#51b62b",
  "rgb": {
    "r": 81,
    "g": 182,
    "b": 43
  },
  "hsl": {
    "h": 103.597,
    "s": 61.778,
    "l": 44.118
  },
  "oklch": {
    "l": 0.68955,
    "c": 0.19588,
    "h": 138.9
  },
  "luminance": 0.3538
}

Semantic roles & 50–950 ramp

primary

#51B62B

secondary

#B175C8

accent

#43E5B9

background

#F9FCF7

surface

#F1F9ED

border

#CBD2C8

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51B62B

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

Preview Lab → · Contrast checker → · Palette generator →