#51CB4F#51CB4F

#51CB4F is a light, vivid green. Relative luminance 0.450; OKLCH L 74.7% C 0.197 H 143.0°. Best body text is #000000 at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#51CB4F
RGB	rgb(81, 203, 79)
HSL	hsl(119, 54%, 55%)
HSV	hsv(119, 61%, 80%)
CMYK	cmyk(60.1%, 0%, 61.1%, 20.4%)
CIE-LAB	lab(72.91, -57.99, 50.67)
CIE-LCH	lch(72.91, 77.01, 138.85°)
OKLab	oklab(74.71% -0.1576 0.1186)
OKLCH	oklch(74.71% 0.197 143)
XYZ	xyz(26.1591, 45.0233, 14.7074)
Luminance	0.4503 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CB4F #C94FCB

analogous

#8FCB4F #51CB4F #4FCB8B

triadic

#51CB4F #4F51CB #CB4F51

tetradic

#51CB4F #4F8FCB #C94FCB #CB8B4F

square

#51CB4F #4F8FCB #C94FCB #CB8B4F

split-complementary

#51CB4F #8B4FCB #CB4F8F

monochromatic

#267B24 #34AA32 #51CB4F #80D97E #AEE7AD

Accessibility & contrast

On white

2.10

#51CB4F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.01

#51CB4F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CB4F

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CB4F	#FFFFFF	#000000	##000000
##51CB4F	1.00	2.10	10.01	10.01
#FFFFFF	2.10	1.00	21.00	21.00
#000000	10.01	21.00	1.00	1.00
##000000	10.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB941

Deuteranopia (green-blind)

#C0AF59

Tritanopia (blue-blind)

#3BC5B1

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51cb4f;
/* rgb */ color: rgb(81, 203, 79);
/* oklch */ color: oklch(74.7% 0.197 143.0);

Tailwind

colors: {
  custom: {
    50: '#8edc85',
    500: '#51cb4f',
    950: '#000000',
  },
}

SCSS

$custom: #51cb4f;
$custom-light: #8edc85;
$custom-dark: #000000;

JSON

{
  "hex": "#51cb4f",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 79
  },
  "hsl": {
    "h": 119.032,
    "s": 54.386,
    "l": 55.294
  },
  "oklch": {
    "l": 0.74709,
    "c": 0.19726,
    "h": 143
  },
  "luminance": 0.45026
}

Semantic roles & 50–950 ramp

primary

#51CB4F

secondary

#D4A1D5

accent

#4ADEDB

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0D150B

muted

#7E837C

Preview Lab

Preview with #51CB4F

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

Preview Lab → · Contrast checker → · Palette generator →