#51BE4E#51BE4E

#51BE4E is a light, vivid green. Relative luminance 0.391; OKLCH L 71.4% C 0.182 H 142.9°. Best body text is #000000 at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#51BE4E
RGB	rgb(81, 190, 78)
HSL	hsl(118, 46%, 53%)
HSV	hsv(118, 59%, 75%)
CMYK	cmyk(57.4%, 0%, 58.9%, 25.5%)
CIE-LAB	lab(68.84, -53.30, 46.46)
CIE-LCH	lch(68.84, 70.71, 138.92°)
OKLab	oklab(71.35% -0.145 0.1095)
OKLCH	oklch(71.35% 0.182 142.9)
XYZ	xyz(23.1807, 39.1242, 13.5364)
Luminance	0.3913 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BE4E #BB4EBE

analogous

#89BE4E #51BE4E #4EBE83

triadic

#51BE4E #4E51BE #BE4E51

tetradic

#51BE4E #4E89BE #BB4EBE #BE834E

square

#51BE4E #4E89BE #BB4EBE #BE834E

split-complementary

#51BE4E #834EBE #BE4E89

monochromatic

#296A27 #3A9738 #51BE4E #7DCE7B #A9DFA8

Accessibility & contrast

On white

2.38

#51BE4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.83

#51BE4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BE4E

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BE4E	#FFFFFF	#000000	##000000
##51BE4E	1.00	2.38	8.83	8.83
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.83	21.00	1.00	1.00
##000000	8.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AE42

Deuteranopia (green-blind)

#B4A457

Tritanopia (blue-blind)

#3FB9A6

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #51be4e;
/* rgb */ color: rgb(81, 190, 78);
/* oklch */ color: oklch(71.4% 0.182 142.9);

Tailwind

colors: {
  custom: {
    50: '#8cd283',
    500: '#51be4e',
    950: '#000000',
  },
}

SCSS

$custom: #51be4e;
$custom-light: #8cd283;
$custom-dark: #000000;

JSON

{
  "hex": "#51be4e",
  "rgb": {
    "r": 81,
    "g": 190,
    "b": 78
  },
  "hsl": {
    "h": 118.393,
    "s": 46.281,
    "l": 52.549
  },
  "oklch": {
    "l": 0.71353,
    "c": 0.18167,
    "h": 142.9
  },
  "luminance": 0.39126
}

Semantic roles & 50–950 ramp

primary

#51BE4E

secondary

#CB9CCC

accent

#52D6D2

background

#F9FDF8

surface

#F1FAEF

border

#CBD3CA

text

#0D140B

muted

#7E837C

Preview Lab

Preview with #51BE4E

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

Preview Lab → · Contrast checker → · Palette generator →