#51BF7D#51BF7D

#51BF7D is a light, vivid green. Relative luminance 0.405; OKLCH L 72.4% C 0.140 H 154.4°. Best body text is #000000 at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#51BF7D
RGB	rgb(81, 191, 125)
HSL	hsl(144, 46%, 53%)
HSV	hsv(144, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 34.6%, 25.1%)
CIE-LAB	lab(69.82, -46.48, 24.11)
CIE-LCH	lch(69.82, 52.36, 152.59°)
OKLab	oklab(72.37% -0.1262 0.0606)
OKLCH	oklch(72.37% 0.14 154.4)
XYZ	xyz(25.7237, 40.4892, 25.8577)
Luminance	0.4049 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BF7D #BF5193

analogous

#5CBF51 #51BF7D #51BFB4

triadic

#51BF7D #7D51BF #BF7D51

tetradic

#51BF7D #515CBF #BF5193 #BFB451

square

#51BF7D #515CBF #BF5193 #BFB451

split-complementary

#51BF7D #B451BF #BF515C

monochromatic

#286D44 #399A60 #51BF7D #7ECF9E #AAE0C0

Accessibility & contrast

On white

2.31

#51BF7D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.10

#51BF7D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF7D

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BF7D	#FFFFFF	#000000	##000000
##51BF7D	1.00	2.31	9.10	9.10
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.10	21.00	1.00	1.00
##000000	9.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFB179

Deuteranopia (green-blind)

#B0A681

Tritanopia (blue-blind)

#2DBDAE

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #51bf7d;
/* rgb */ color: rgb(81, 191, 125);
/* oklch */ color: oklch(72.4% 0.140 154.4);

Tailwind

colors: {
  custom: {
    50: '#8bd3a3',
    500: '#51bf7d',
    950: '#000000',
  },
}

SCSS

$custom: #51bf7d;
$custom-light: #8bd3a3;
$custom-dark: #000000;

JSON

{
  "hex": "#51bf7d",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 125
  },
  "hsl": {
    "h": 144,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.72371,
    "c": 0.14005,
    "h": 154.4
  },
  "luminance": 0.40492
}

Semantic roles & 50–950 ramp

primary

#51BF7D

secondary

#CE9EBB

accent

#52A1D6

background

#F9FDFA

surface

#F1FAF3

border

#CBD3CD

text

#0D140F

muted

#7E837F

Preview Lab

Preview with #51BF7D

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

Preview Lab → · Contrast checker → · Palette generator →