#288F58#288F58

#288F58 is a mid, vivid green. Relative luminance 0.208; OKLCH L 57.8% C 0.126 H 155.2°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#288F58
RGB	rgb(40, 143, 88)
HSL	hsl(148, 56%, 36%)
HSV	hsv(148, 72%, 56%)
CMYK	cmyk(72%, 0%, 38.5%, 43.9%)
CIE-LAB	lab(52.73, -42.26, 21.07)
CIE-LCH	lch(52.73, 47.22, 153.51°)
OKLab	oklab(57.8% -0.1142 0.0527)
OKLCH	oklch(57.8% 0.126 155.2)
XYZ	xyz(12.4578, 20.7992, 12.5887)
Luminance	0.2080 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288F58 #8F285F

analogous

#2B8F28 #288F58 #288F8B

triadic

#288F58 #58288F #8F5828

tetradic

#288F58 #282B8F #8F285F #8F8B28

square

#288F58 #282B8F #8F285F #8F8B28

split-complementary

#288F58 #8B288F #8F282B

monochromatic

#0D2F1D #1B5F3B #288F58 #35BF75 #5FD295

Accessibility & contrast

On white

4.07

#288F58 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#288F58 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F58

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288F58	#FFFFFF	#000000	##000000
##288F58	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8354

Deuteranopia (green-blind)

#827A5C

Tritanopia (blue-blind)

#008D81

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #288f58;
/* rgb */ color: rgb(40, 143, 88);
/* oklch */ color: oklch(57.8% 0.126 155.2);

Tailwind

colors: {
  custom: {
    50: '#70b187',
    500: '#288f58',
    950: '#000000',
  },
}

SCSS

$custom: #288f58;
$custom-light: #70b187;
$custom-dark: #000000;

JSON

{
  "hex": "#288f58",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 88
  },
  "hsl": {
    "h": 147.961,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.57801,
    "c": 0.1258,
    "h": 155.2
  },
  "luminance": 0.20801
}

Semantic roles & 50–950 ramp

primary

#288F58

secondary

#B85B8D

accent

#4899E0

background

#F7FBF8

surface

#EDF6EF

border

#C8D0CA

text

#09110B

muted

#7B807C

Preview Lab

Preview with #288F58

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

Preview Lab → · Contrast checker → · Palette generator →