#51CA8A#51CA8A

#51CA8A is a light, vivid green. Relative luminance 0.458; OKLCH L 75.4% C 0.143 H 157.0°. Best body text is #000000 at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#51CA8A
RGB	rgb(81, 202, 138)
HSL	hsl(148, 53%, 55%)
HSV	hsv(148, 60%, 79%)
CMYK	cmyk(59.9%, 0%, 31.7%, 20.8%)
CIE-LAB	lab(73.43, -48.49, 22.12)
CIE-LCH	lch(73.43, 53.29, 155.47°)
OKLab	oklab(75.41% -0.132 0.056)
OKLCH	oklch(75.41% 0.143 157)
XYZ	xyz(29.0988, 45.8225, 31.3510)
Luminance	0.4582 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CA8A #CA5191

analogous

#55CA51 #51CA8A #51CAC6

triadic

#51CA8A #8A51CA #CA8A51

tetradic

#51CA8A #5155CA #CA5191 #CAC651

square

#51CA8A #5155CA #CA5191 #CAC651

split-complementary

#51CA8A #C651CA #CA5155

monochromatic

#257B4E #34AA6B #51CA8A #80D8AA #AFE7C9

Accessibility & contrast

On white

2.07

#51CA8A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.16

#51CA8A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CA8A

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CA8A	#FFFFFF	#000000	##000000
##51CA8A	1.00	2.07	10.16	10.16
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.16	21.00	1.00	1.00
##000000	10.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9BB86

Deuteranopia (green-blind)

#B8B08E

Tritanopia (blue-blind)

#1DC8B9

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #51ca8a;
/* rgb */ color: rgb(81, 202, 138);
/* oklch */ color: oklch(75.4% 0.143 157.0);

Tailwind

colors: {
  custom: {
    50: '#8ddbac',
    500: '#51ca8a',
    950: '#000000',
  },
}

SCSS

$custom: #51ca8a;
$custom-light: #8ddbac;
$custom-dark: #000000;

JSON

{
  "hex": "#51ca8a",
  "rgb": {
    "r": 81,
    "g": 202,
    "b": 138
  },
  "hsl": {
    "h": 148.264,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.7541,
    "c": 0.1434,
    "h": 157
  },
  "luminance": 0.45825
}

Semantic roles & 50–950 ramp

primary

#51CA8A

secondary

#D5A2BD

accent

#4B98DD

background

#F9FDFA

surface

#F1FBF4

border

#CBD4CE

text

#0D1510

muted

#7E837F

Preview Lab

Preview with #51CA8A

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

Preview Lab → · Contrast checker → · Palette generator →