#289D5F#289D5F

#289D5F is a mid, vivid green. Relative luminance 0.254; OKLCH L 61.7% C 0.138 H 154.9°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#289D5F
RGB	rgb(40, 157, 95)
HSL	hsl(148, 59%, 39%)
HSV	hsv(148, 75%, 62%)
CMYK	cmyk(74.5%, 0%, 39.5%, 38.4%)
CIE-LAB	lab(57.45, -46.43, 23.50)
CIE-LCH	lch(57.45, 52.04, 153.15°)
OKLab	oklab(61.73% -0.1253 0.0586)
OKLCH	oklch(61.73% 0.138 154.9)
XYZ	xyz(14.9962, 25.3895, 14.9346)
Luminance	0.2539 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289D5F #9D2866

analogous

#2B9D28 #289D5F #289D99

triadic

#289D5F #5F289D #9D5F28

tetradic

#289D5F #282B9D #9D2866 #9D9928

square

#289D5F #282B9D #9D2866 #9D9928

split-complementary

#289D5F #99289D #9D282B

monochromatic

#0F3B24 #1C6C41 #289D5F #36CC7D #67D89C

Accessibility & contrast

On white

3.45

#289D5F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#289D5F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289D5F

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289D5F	#FFFFFF	#000000	##000000
##289D5F	1.00	3.45	6.08	6.08
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.08	21.00	1.00	1.00
##000000	6.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9C905B

Deuteranopia (green-blind)

#8E8663

Tritanopia (blue-blind)

#009B8D

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #289d5f;
/* rgb */ color: rgb(40, 157, 95);
/* oklch */ color: oklch(61.7% 0.138 154.9);

Tailwind

colors: {
  custom: {
    50: '#74bb8d',
    500: '#289d5f',
    950: '#000000',
  },
}

SCSS

$custom: #289d5f;
$custom-light: #74bb8d;
$custom-dark: #000000;

JSON

{
  "hex": "#289d5f",
  "rgb": {
    "r": 40,
    "g": 157,
    "b": 95
  },
  "hsl": {
    "h": 148.205,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.61735,
    "c": 0.13833,
    "h": 154.9
  },
  "luminance": 0.25391
}

Semantic roles & 50–950 ramp

primary

#289D5F

secondary

#BE6293

accent

#4599E3

background

#F7FBF8

surface

#EEF6F0

border

#C9D0CB

text

#09120C

muted

#7B817D

Preview Lab

Preview with #289D5F

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

Preview Lab → · Contrast checker → · Palette generator →