#51C045#51C045

#51C045 is a light, vivid green. Relative luminance 0.399; OKLCH L 71.8% C 0.191 H 141.7°. Best body text is #000000 at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#51C045
RGB	rgb(81, 192, 69)
HSL	hsl(114, 49%, 51%)
HSV	hsv(114, 64%, 75%)
CMYK	cmyk(57.8%, 0%, 64.1%, 24.7%)
CIE-LAB	lab(69.38, -55.02, 51.06)
CIE-LCH	lch(69.38, 75.07, 137.14°)
OKLab	oklab(71.77% -0.1501 0.1185)
OKLCH	oklch(71.77% 0.191 141.7)
XYZ	xyz(23.3160, 39.8762, 12.0973)
Luminance	0.3988 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C045 #B445C0

analogous

#8EC045 #51C045 #45C076

triadic

#51C045 #4551C0 #C04551

tetradic

#51C045 #458EC0 #B445C0 #C07645

square

#51C045 #458EC0 #B445C0 #C07645

split-complementary

#51C045 #7645C0 #C0458E

monochromatic

#2A6823 #3C9533 #51C045 #7CCF73 #A7DFA0

Accessibility & contrast

On white

2.34

#51C045 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.98

#51C045 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C045

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C045	#FFFFFF	#000000	##000000
##51C045	1.00	2.34	8.98	8.98
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.98	21.00	1.00	1.00
##000000	8.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AF36

Deuteranopia (green-blind)

#B6A650

Tritanopia (blue-blind)

#41BAA6

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #51c045;
/* rgb */ color: rgb(81, 192, 69);
/* oklch */ color: oklch(71.8% 0.191 141.7);

Tailwind

colors: {
  custom: {
    50: '#8dd47e',
    500: '#51c045',
    950: '#000000',
  },
}

SCSS

$custom: #51c045;
$custom-light: #8dd47e;
$custom-dark: #000000;

JSON

{
  "hex": "#51c045",
  "rgb": {
    "r": 81,
    "g": 192,
    "b": 69
  },
  "hsl": {
    "h": 114.146,
    "s": 49.398,
    "l": 51.176
  },
  "oklch": {
    "l": 0.7177,
    "c": 0.19122,
    "h": 141.7
  },
  "luminance": 0.39878
}

Semantic roles & 50–950 ramp

primary

#51C045

secondary

#C695CC

accent

#4FD9CB

background

#F9FDF7

surface

#F1FAEE

border

#CBD3C9

text

#0D140A

muted

#7E837C

Preview Lab

Preview with #51C045

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

Preview Lab → · Contrast checker → · Palette generator →