#28633B#28633B

#28633B is a dark, moderate green. Relative luminance 0.097; OKLCH L 44.9% C 0.090 H 151.6°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#28633B
RGB	rgb(40, 99, 59)
HSL	hsl(139, 42%, 27%)
HSV	hsv(139, 60%, 39%)
CMYK	cmyk(59.6%, 0%, 40.4%, 61.2%)
CIE-LAB	lab(37.28, -29.19, 17.11)
CIE-LCH	lch(37.28, 33.83, 149.62°)
OKLab	oklab(44.93% -0.0791 0.0427)
OKLCH	oklch(44.93% 0.09 151.6)
XYZ	xyz(6.1259, 9.6900, 5.6844)
Luminance	0.0969 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28633B #632850

analogous

#336328 #28633B #286359

triadic

#28633B #3B2863 #633B28

tetradic

#28633B #283363 #632850 #635928

square

#28633B #283363 #632850 #635928

split-complementary

#28633B #592863 #632833

monochromatic

#09160D #163721 #28633B #3A8F55 #4EB770

Accessibility & contrast

On white

7.15

#28633B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#28633B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28633B

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28633B	#FFFFFF	#000000	##FFFFFF
##28633B	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B38

Deuteranopia (green-blind)

#5B553E

Tritanopia (blue-blind)

#186259

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #28633b;
/* rgb */ color: rgb(40, 99, 59);
/* oklch */ color: oklch(44.9% 0.090 151.6);

Tailwind

colors: {
  custom: {
    50: '#689071',
    500: '#28633b',
    950: '#000000',
  },
}

SCSS

$custom: #28633b;
$custom-light: #689071;
$custom-dark: #000000;

JSON

{
  "hex": "#28633b",
  "rgb": {
    "r": 40,
    "g": 99,
    "b": 59
  },
  "hsl": {
    "h": 139.322,
    "s": 42.446,
    "l": 27.255
  },
  "oklch": {
    "l": 0.44926,
    "c": 0.08992,
    "h": 151.6
  },
  "luminance": 0.09691
}

Semantic roles & 50–950 ramp

primary

#28633B

secondary

#965180

accent

#56AAD2

background

#F6F8F6

surface

#EBF0EC

border

#C6CBC7

text

#060C07

muted

#7A7D7A

Preview Lab

Preview with #28633B

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

Preview Lab → · Contrast checker → · Palette generator →