#51B45F#51B45F

#51B45F is a light, vivid green. Relative luminance 0.352; OKLCH L 69.0% C 0.153 H 146.5°. Best body text is #000000 at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#51B45F
RGB	rgb(81, 180, 95)
HSL	hsl(128, 40%, 51%)
HSV	hsv(128, 55%, 71%)
CMYK	cmyk(55%, 0%, 47.2%, 29.4%)
CIE-LAB	lab(65.92, -47.13, 34.66)
CIE-LCH	lch(65.92, 58.50, 143.66°)
OKLab	oklab(69.02% -0.1277 0.0845)
OKLCH	oklch(69.02% 0.153 146.5)
XYZ	xyz(21.7788, 35.2162, 16.4740)
Luminance	0.3522 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B45F #B451A6

analogous

#74B451 #51B45F #51B490

triadic

#51B45F #5F51B4 #B45F51

tetradic

#51B45F #5174B4 #B451A6 #B49051

square

#51B45F #5174B4 #B451A6 #B49051

split-complementary

#51B45F #9051B4 #B45174

monochromatic

#2A6132 #3C8C47 #51B45F #7CC686 #A7D9AE

Accessibility & contrast

On white

2.61

#51B45F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.04

#51B45F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B45F

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B45F	#FFFFFF	#000000	##000000
##51B45F	1.00	2.61	8.04	8.04
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.04	21.00	1.00	1.00
##000000	8.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A658

Deuteranopia (green-blind)

#A99D65

Tritanopia (blue-blind)

#3EB0A0

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #51b45f;
/* rgb */ color: rgb(81, 180, 95);
/* oklch */ color: oklch(69.0% 0.153 146.5);

Tailwind

colors: {
  custom: {
    50: '#8acb8e',
    500: '#51b45f',
    950: '#000000',
  },
}

SCSS

$custom: #51b45f;
$custom-light: #8acb8e;
$custom-dark: #000000;

JSON

{
  "hex": "#51b45f",
  "rgb": {
    "r": 81,
    "g": 180,
    "b": 95
  },
  "hsl": {
    "h": 128.485,
    "s": 39.759,
    "l": 51.176
  },
  "oklch": {
    "l": 0.69015,
    "c": 0.15312,
    "h": 146.5
  },
  "luminance": 0.35218
}

Semantic roles & 50–950 ramp

primary

#51B45F

secondary

#C69BC0

accent

#58BFD0

background

#F8FCF8

surface

#F0F9F0

border

#CBD2CB

text

#0C130C

muted

#7D827D

Preview Lab

Preview with #51B45F

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

Preview Lab → · Contrast checker → · Palette generator →