#28B139#28B139

#28B139 is a light, vivid green. Relative luminance 0.322; OKLCH L 66.6% C 0.196 H 144.5°. Best body text is #000000 at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#28B139
RGB	rgb(40, 177, 57)
HSL	hsl(127, 63%, 43%)
HSV	hsv(127, 77%, 69%)
CMYK	cmyk(77.4%, 0%, 67.8%, 30.6%)
CIE-LAB	lab(63.50, -59.12, 49.40)
CIE-LCH	lch(63.50, 77.04, 140.12°)
OKLab	oklab(66.59% -0.1597 0.1139)
OKLCH	oklch(66.59% 0.196 144.5)
XYZ	xyz(17.3345, 32.1888, 9.1696)
Luminance	0.3219 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28B139 #B128A0

analogous

#5CB128 #28B139 #28B17D

triadic

#28B139 #3928B1 #B13928

tetradic

#28B139 #285CB1 #B128A0 #B17D28

square

#28B139 #285CB1 #B128A0 #B17D28

split-complementary

#28B139 #7D28B1 #B1285C

monochromatic

#114D19 #1D7F29 #28B139 #42D454 #74E081

Accessibility & contrast

On white

2.82

#28B139 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.44

#28B139 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28B139

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28B139	#FFFFFF	#000000	##000000
##28B139	1.00	2.82	7.44	7.44
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.44	21.00	1.00	1.00
##000000	7.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A029

Deuteranopia (green-blind)

#A59644

Tritanopia (blue-blind)

#00AC99

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #28b139;
/* rgb */ color: rgb(40, 177, 57);
/* oklch */ color: oklch(66.6% 0.196 144.5);

Tailwind

colors: {
  custom: {
    50: '#79ca75',
    500: '#28b139',
    950: '#000000',
  },
}

SCSS

$custom: #28b139;
$custom-light: #79ca75;
$custom-dark: #000000;

JSON

{
  "hex": "#28b139",
  "rgb": {
    "r": 40,
    "g": 177,
    "b": 57
  },
  "hsl": {
    "h": 127.445,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.66586,
    "c": 0.19614,
    "h": 144.5
  },
  "luminance": 0.32191
}

Semantic roles & 50–950 ramp

primary

#28B139

secondary

#C76EBC

accent

#42D2E6

background

#F8FCF7

surface

#EFF8ED

border

#CAD1C8

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #28B139

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

Preview Lab → · Contrast checker → · Palette generator →