#51B626#51B626

#51B626 is a light, vivid green. Relative luminance 0.353; OKLCH L 68.9% C 0.198 H 138.5°. Best body text is #000000 at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#51B626
RGB	rgb(81, 182, 38)
HSL	hsl(102, 65%, 43%)
HSV	hsv(102, 79%, 71%)
CMYK	cmyk(55.5%, 0%, 79.1%, 28.6%)
CIE-LAB	lab(66.02, -53.81, 59.14)
CIE-LCH	lch(66.02, 79.96, 132.29°)
OKLab	oklab(68.92% -0.1486 0.1314)
OKLCH	oklch(68.92% 0.198 138.5)
XYZ	xyz(20.4704, 35.3435, 7.5766)
Luminance	0.3534 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B626 #8B26B6

analogous

#99B626 #51B626 #26B643

triadic

#51B626 #2651B6 #B62651

tetradic

#51B626 #2699B6 #8B26B6 #B64326

square

#51B626 #2699B6 #8B26B6 #B64326

split-complementary

#51B626 #4326B6 #B62699

monochromatic

#245111 #3A831B #51B626 #6ED742 #95E274

Accessibility & contrast

On white

2.60

#51B626 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.07

#51B626 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B626

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B626	#FFFFFF	#000000	##000000
##51B626	1.00	2.60	8.07	8.07
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.07	21.00	1.00	1.00
##000000	8.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA600

Deuteranopia (green-blind)

#AF9D37

Tritanopia (blue-blind)

#48B09B

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #51b626;
/* rgb */ color: rgb(81, 182, 38);
/* oklch */ color: oklch(68.9% 0.198 138.5);

Tailwind

colors: {
  custom: {
    50: '#8dcd6c',
    500: '#51b626',
    950: '#000000',
  },
}

SCSS

$custom: #51b626;
$custom-light: #8dcd6c;
$custom-dark: #000000;

JSON

{
  "hex": "#51b626",
  "rgb": {
    "r": 81,
    "g": 182,
    "b": 38
  },
  "hsl": {
    "h": 102.083,
    "s": 65.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.68924,
    "c": 0.19839,
    "h": 138.5
  },
  "luminance": 0.35345
}

Semantic roles & 50–950 ramp

primary

#51B626

secondary

#AE6EC9

accent

#3FE8B6

background

#F9FCF6

surface

#F1F9EC

border

#CBD2C7

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51B626

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

Preview Lab → · Contrast checker → · Palette generator →