#51C02B#51C02B

#51C02B is a light, highly saturated green. Relative luminance 0.396; OKLCH L 71.6% C 0.207 H 139.3°. Best body text is #000000 at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#51C02B
RGB	rgb(81, 192, 43)
HSL	hsl(105, 63%, 46%)
HSV	hsv(105, 78%, 75%)
CMYK	cmyk(57.8%, 0%, 77.6%, 24.7%)
CIE-LAB	lab(69.20, -57.12, 60.63)
CIE-LCH	lch(69.20, 83.30, 133.29°)
OKLab	oklab(71.56% -0.1572 0.1352)
OKLCH	oklch(71.56% 0.207 139.3)
XYZ	xyz(22.6781, 39.6210, 8.7376)
Luminance	0.3962 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C02B #9A2BC0

analogous

#9BC02B #51C02B #2BC04F

triadic

#51C02B #2B51C0 #C02B51

tetradic

#51C02B #2B9BC0 #9A2BC0 #C04F2B

square

#51C02B #2B9BC0 #9A2BC0 #C04F2B

split-complementary

#51C02B #4F2BC0 #C02B9B

monochromatic

#275C15 #3C8E20 #51C02B #73D850 #9BE382

Accessibility & contrast

On white

2.35

#51C02B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.92

#51C02B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C02B

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C02B	#FFFFFF	#000000	##000000
##51C02B	1.00	2.35	8.92	8.92
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.92	21.00	1.00	1.00
##000000	8.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6AF00

Deuteranopia (green-blind)

#B8A53C

Tritanopia (blue-blind)

#44B9A4

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #51c02b;
/* rgb */ color: rgb(81, 192, 43);
/* oklch */ color: oklch(71.6% 0.207 139.3);

Tailwind

colors: {
  custom: {
    50: '#8ed470',
    500: '#51c02b',
    950: '#000000',
  },
}

SCSS

$custom: #51c02b;
$custom-light: #8ed470;
$custom-dark: #000000;

JSON

{
  "hex": "#51c02b",
  "rgb": {
    "r": 81,
    "g": 192,
    "b": 43
  },
  "hsl": {
    "h": 104.698,
    "s": 63.404,
    "l": 46.078
  },
  "oklch": {
    "l": 0.71561,
    "c": 0.2074,
    "h": 139.3
  },
  "luminance": 0.39623
}

Semantic roles & 50–950 ramp

primary

#51C02B

secondary

#B77BCC

accent

#41E6BC

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0D1408

muted

#7E837B

Preview Lab

Preview with #51C02B

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

Preview Lab → · Contrast checker → · Palette generator →