#51CB7B#51CB7B

#51CB7B is a light, vivid green. Relative luminance 0.459; OKLCH L 75.4% C 0.159 H 151.9°. Best body text is #000000 at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#51CB7B
RGB	rgb(81, 203, 123)
HSL	hsl(141, 54%, 56%)
HSV	hsv(141, 60%, 80%)
CMYK	cmyk(60.1%, 0%, 39.4%, 20.4%)
CIE-LAB	lab(73.47, -51.70, 30.03)
CIE-LCH	lch(73.47, 59.78, 149.85°)
OKLab	oklab(75.36% -0.1399 0.0747)
OKLCH	oklch(75.36% 0.159 151.9)
XYZ	xyz(28.3222, 45.8885, 26.0999)
Luminance	0.4589 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CB7B #CB51A1

analogous

#64CB51 #51CB7B #51CBB8

triadic

#51CB7B #7B51CB #CB7B51

tetradic

#51CB7B #5164CB #CB51A1 #CBB851

square

#51CB7B #5164CB #CB51A1 #CBB851

split-complementary

#51CB7B #B851CB #CB5164

monochromatic

#257C43 #33AC5D #51CB7B #80D99F #AFE7C2

Accessibility & contrast

On white

2.06

#51CB7B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.18

#51CB7B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CB7B

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CB7B	#FFFFFF	#000000	##000000
##51CB7B	1.00	2.06	10.18	10.18
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.18	21.00	1.00	1.00
##000000	10.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCBB75

Deuteranopia (green-blind)

#BBB080

Tritanopia (blue-blind)

#29C8B7

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #51cb7b;
/* rgb */ color: rgb(81, 203, 123);
/* oklch */ color: oklch(75.4% 0.159 151.9);

Tailwind

colors: {
  custom: {
    50: '#8ddca2',
    500: '#51cb7b',
    950: '#000000',
  },
}

SCSS

$custom: #51cb7b;
$custom-light: #8ddca2;
$custom-dark: #000000;

JSON

{
  "hex": "#51cb7b",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 123
  },
  "hsl": {
    "h": 140.656,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.75359,
    "c": 0.15857,
    "h": 151.9
  },
  "luminance": 0.45891
}

Semantic roles & 50–950 ramp

primary

#51CB7B

secondary

#D5A3C4

accent

#4AABDD

background

#F9FDFA

surface

#F1FBF3

border

#CBD4CD

text

#0D150F

muted

#7E837F

Preview Lab

Preview with #51CB7B

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

Preview Lab → · Contrast checker → · Palette generator →