#51CA8B#51CA8B

#51CA8B is a light, vivid green. Relative luminance 0.459; OKLCH L 75.4% C 0.142 H 157.4°. Best body text is #000000 at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#51CA8B
RGB	rgb(81, 202, 139)
HSL	hsl(149, 53%, 55%)
HSV	hsv(149, 60%, 79%)
CMYK	cmyk(59.9%, 0%, 31.2%, 20.8%)
CIE-LAB	lab(73.45, -48.29, 21.62)
CIE-LCH	lch(73.45, 52.91, 155.88°)
OKLab	oklab(75.43% -0.1316 0.0547)
OKLCH	oklch(75.43% 0.143 157.4)
XYZ	xyz(29.1715, 45.8516, 31.7340)
Luminance	0.4585 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CA8B #CA5190

analogous

#53CA51 #51CA8B #51CAC7

triadic

#51CA8B #8B51CA #CA8B51

tetradic

#51CA8B #5153CA #CA5190 #CAC751

square

#51CA8B #5153CA #CA5190 #CAC751

split-complementary

#51CA8B #C751CA #CA5153

monochromatic

#257B4F #34AA6C #51CA8B #80D8AA #AFE7CA

Accessibility & contrast

On white

2.06

#51CA8B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.17

#51CA8B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CA8B

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CA8B	#FFFFFF	#000000	##000000
##51CA8B	1.00	2.06	10.17	10.17
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.17	21.00	1.00	1.00
##000000	10.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9BB87

Deuteranopia (green-blind)

#B8B08F

Tritanopia (blue-blind)

#1CC9B9

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #51ca8b;
/* rgb */ color: rgb(81, 202, 139);
/* oklch */ color: oklch(75.4% 0.142 157.4);

Tailwind

colors: {
  custom: {
    50: '#8ddbad',
    500: '#51ca8b',
    950: '#000000',
  },
}

SCSS

$custom: #51ca8b;
$custom-light: #8ddbad;
$custom-dark: #000000;

JSON

{
  "hex": "#51ca8b",
  "rgb": {
    "r": 81,
    "g": 202,
    "b": 139
  },
  "hsl": {
    "h": 148.76,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.75432,
    "c": 0.1425,
    "h": 157.4
  },
  "luminance": 0.45854
}

Semantic roles & 50–950 ramp

primary

#51CA8B

secondary

#D5A2BC

accent

#4B97DD

background

#F9FDFA

surface

#F1FBF4

border

#CBD4CE

text

#0D1510

muted

#7E837F

Preview Lab

Preview with #51CA8B

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

Preview Lab → · Contrast checker → · Palette generator →