#51CA5E#51CA5E

#51CA5E is a light, vivid green. Relative luminance 0.448; OKLCH L 74.6% C 0.184 H 145.3°. Best body text is #000000 at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#51CA5E
RGB	rgb(81, 202, 94)
HSL	hsl(126, 53%, 55%)
HSV	hsv(126, 60%, 79%)
CMYK	cmyk(59.9%, 0%, 53.5%, 20.8%)
CIE-LAB	lab(72.76, -55.80, 43.60)
CIE-LCH	lch(72.76, 70.81, 142.00°)
OKLab	oklab(74.64% -0.1511 0.1044)
OKLCH	oklch(74.64% 0.184 145.3)
XYZ	xyz(26.5326, 44.7960, 17.8358)
Luminance	0.4480 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CA5E #CA51BD

analogous

#81CA51 #51CA5E #51CA9A

triadic

#51CA5E #5E51CA #CA5E51

tetradic

#51CA5E #5181CA #CA51BD #CA9A51

square

#51CA5E #5181CA #CA51BD #CA9A51

split-complementary

#51CA5E #9A51CA #CA5181

monochromatic

#257B2F #34AA40 #51CA5E #80D889 #AFE7B5

Accessibility & contrast

On white

2.11

#51CA5E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.96

#51CA5E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CA5E

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CA5E	#FFFFFF	#000000	##000000
##51CA5E	1.00	2.11	9.96	9.96
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.96	21.00	1.00	1.00
##000000	9.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB954

Deuteranopia (green-blind)

#BEAE66

Tritanopia (blue-blind)

#37C5B2

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #51ca5e;
/* rgb */ color: rgb(81, 202, 94);
/* oklch */ color: oklch(74.6% 0.184 145.3);

Tailwind

colors: {
  custom: {
    50: '#8edb8e',
    500: '#51ca5e',
    950: '#000000',
  },
}

SCSS

$custom: #51ca5e;
$custom-light: #8edb8e;
$custom-dark: #000000;

JSON

{
  "hex": "#51ca5e",
  "rgb": {
    "r": 81,
    "g": 202,
    "b": 94
  },
  "hsl": {
    "h": 126.446,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.74637,
    "c": 0.18367,
    "h": 145.3
  },
  "luminance": 0.44799
}

Semantic roles & 50–950 ramp

primary

#51CA5E

secondary

#D5A2CF

accent

#4BCDDD

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #51CA5E

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

Preview Lab → · Contrast checker → · Palette generator →