#288B4D#288B4D

#288B4D is a mid, vivid green. Relative luminance 0.195; OKLCH L 56.5% C 0.131 H 151.7°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#288B4D
RGB	rgb(40, 139, 77)
HSL	hsl(142, 55%, 35%)
HSV	hsv(142, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 44.6%, 45.5%)
CIE-LAB	lab(51.21, -42.79, 25.13)
CIE-LCH	lch(51.21, 49.62, 149.57°)
OKLab	oklab(56.49% -0.1153 0.062)
OKLCH	oklch(56.49% 0.131 151.7)
XYZ	xyz(11.4463, 19.4509, 10.1709)
Luminance	0.1945 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B4D #8B2866

analogous

#358B28 #288B4D #288B7E

triadic

#288B4D #4D288B #8B4D28

tetradic

#288B4D #28358B #8B2866 #8B7E28

square

#288B4D #28358B #8B2866 #8B7E28

split-complementary

#288B4D #7E288B #8B2835

monochromatic

#0D2C18 #1A5B33 #288B4D #36BB67 #5DD088

Accessibility & contrast

On white

4.29

#288B4D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#288B4D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B4D

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B4D	#FFFFFF	#000000	##000000
##288B4D	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7F48

Deuteranopia (green-blind)

#7F7751

Tritanopia (blue-blind)

#00897C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288b4d;
/* rgb */ color: rgb(40, 139, 77);
/* oklch */ color: oklch(56.5% 0.131 151.7);

Tailwind

colors: {
  custom: {
    50: '#70ae7f',
    500: '#288b4d',
    950: '#000000',
  },
}

SCSS

$custom: #288b4d;
$custom-light: #70ae7f;
$custom-dark: #000000;

JSON

{
  "hex": "#288b4d",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 77
  },
  "hsl": {
    "h": 142.424,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56487,
    "c": 0.13092,
    "h": 151.7
  },
  "luminance": 0.19452
}

Semantic roles & 50–950 ramp

primary

#288B4D

secondary

#B65993

accent

#49A7DF

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #288B4D

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

Preview Lab → · Contrast checker → · Palette generator →