#51CD7B#51CD7B

#51CD7B is a light, vivid green. Relative luminance 0.468; OKLCH L 75.9% C 0.161 H 151.7°. Best body text is #000000 at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#51CD7B
RGB	rgb(81, 205, 123)
HSL	hsl(140, 55%, 56%)
HSV	hsv(140, 60%, 80%)
CMYK	cmyk(60.5%, 0%, 40%, 19.6%)
CIE-LAB	lab(74.09, -52.48, 30.83)
CIE-LCH	lch(74.09, 60.87, 149.57°)
OKLab	oklab(75.86% -0.142 0.0766)
OKLCH	oklch(75.86% 0.161 151.7)
XYZ	xyz(28.7976, 46.8392, 26.2583)
Luminance	0.4684 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CD7B #CD51A3

analogous

#65CD51 #51CD7B #51CDB9

triadic

#51CD7B #7B51CD #CD7B51

tetradic

#51CD7B #5165CD #CD51A3 #CDB951

square

#51CD7B #5165CD #CD51A3 #CDB951

split-complementary

#51CD7B #B951CD #CD5165

monochromatic

#257F43 #32AF5C #51CD7B #81DB9F #B0E8C3

Accessibility & contrast

On white

2.03

#51CD7B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.37

#51CD7B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CD7B

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CD7B	#FFFFFF	#000000	##000000
##51CD7B	1.00	2.03	10.37	10.37
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.37	21.00	1.00	1.00
##000000	10.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEBD75

Deuteranopia (green-blind)

#BDB280

Tritanopia (blue-blind)

#28CAB9

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #51cd7b;
/* rgb */ color: rgb(81, 205, 123);
/* oklch */ color: oklch(75.9% 0.161 151.7);

Tailwind

colors: {
  custom: {
    50: '#8ddda2',
    500: '#51cd7b',
    950: '#000000',
  },
}

SCSS

$custom: #51cd7b;
$custom-light: #8ddda2;
$custom-dark: #000000;

JSON

{
  "hex": "#51cd7b",
  "rgb": {
    "r": 81,
    "g": 205,
    "b": 123
  },
  "hsl": {
    "h": 140.323,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.75863,
    "c": 0.1613,
    "h": 151.7
  },
  "luminance": 0.46842
}

Semantic roles & 50–950 ramp

primary

#51CD7B

secondary

#D7A3C5

accent

#49ACDF

background

#F9FDFA

surface

#F1FBF3

border

#CBD4CD

text

#0D150F

muted

#7E837F

Preview Lab

Preview with #51CD7B

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

Preview Lab → · Contrast checker → · Palette generator →