#51CD78#51CD78

#51CD78 is a light, vivid green. Relative luminance 0.468; OKLCH L 75.8% C 0.164 H 150.8°. Best body text is #000000 at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#51CD78
RGB	rgb(81, 205, 120)
HSL	hsl(139, 55%, 56%)
HSV	hsv(139, 60%, 80%)
CMYK	cmyk(60.5%, 0%, 41.5%, 19.6%)
CIE-LAB	lab(74.04, -53.00, 32.31)
CIE-LCH	lch(74.04, 62.07, 148.63°)
OKLab	oklab(75.81% -0.1433 0.08)
OKLCH	oklch(75.81% 0.164 150.8)
XYZ	xyz(28.6127, 46.7653, 25.2844)
Luminance	0.4677 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CD78 #CD51A6

analogous

#68CD51 #51CD78 #51CDB6

triadic

#51CD78 #7851CD #CD7851

tetradic

#51CD78 #5168CD #CD51A6 #CDB651

square

#51CD78 #5168CD #CD51A6 #CDB651

split-complementary

#51CD78 #B651CD #CD5168

monochromatic

#257F41 #32AF59 #51CD78 #81DB9D #B0E8C2

Accessibility & contrast

On white

2.03

#51CD78 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.35

#51CD78 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CD78

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CD78	#FFFFFF	#000000	##000000
##51CD78	1.00	2.03	10.35	10.35
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.35	21.00	1.00	1.00
##000000	10.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEBD72

Deuteranopia (green-blind)

#BEB27E

Tritanopia (blue-blind)

#2ACAB8

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #51cd78;
/* rgb */ color: rgb(81, 205, 120);
/* oklch */ color: oklch(75.8% 0.164 150.8);

Tailwind

colors: {
  custom: {
    50: '#8ddda0',
    500: '#51cd78',
    950: '#000000',
  },
}

SCSS

$custom: #51cd78;
$custom-light: #8ddda0;
$custom-dark: #000000;

JSON

{
  "hex": "#51cd78",
  "rgb": {
    "r": 81,
    "g": 205,
    "b": 120
  },
  "hsl": {
    "h": 138.871,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.75809,
    "c": 0.16409,
    "h": 150.8
  },
  "luminance": 0.46768
}

Semantic roles & 50–950 ramp

primary

#51CD78

secondary

#D7A3C6

accent

#49B0DF

background

#F9FDF9

surface

#F2FBF2

border

#CCD4CC

text

#0D150F

muted

#7E837E

Preview Lab

Preview with #51CD78

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

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