#258E57#258E57

#258E57 is a mid, vivid green. Relative luminance 0.204; OKLCH L 57.4% C 0.126 H 155.4°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#258E57
RGB	rgb(37, 142, 87)
HSL	hsl(149, 59%, 35%)
HSV	hsv(149, 74%, 56%)
CMYK	cmyk(73.9%, 0%, 38.7%, 44.3%)
CIE-LAB	lab(52.32, -42.55, 21.06)
CIE-LCH	lch(52.32, 47.48, 153.67°)
OKLab	oklab(57.44% -0.1149 0.0527)
OKLCH	oklch(57.44% 0.126 155.4)
XYZ	xyz(12.1551, 20.4260, 12.3170)
Luminance	0.2043 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258E57 #8E255C

analogous

#288E25 #258E57 #258E8B

triadic

#258E57 #57258E #8E5725

tetradic

#258E57 #25288E #8E255C #8E8B25

square

#258E57 #25288E #8E255C #8E8B25

split-complementary

#258E57 #8B258E #8E2528

monochromatic

#0C2D1C #185D39 #258E57 #32BF75 #5AD494

Accessibility & contrast

On white

4.13

#258E57 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#258E57 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258E57

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258E57	#FFFFFF	#000000	##000000
##258E57	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D8253

Deuteranopia (green-blind)

#81795B

Tritanopia (blue-blind)

#008D80

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #258e57;
/* rgb */ color: rgb(37, 142, 87);
/* oklch */ color: oklch(57.4% 0.126 155.4);

Tailwind

colors: {
  custom: {
    50: '#6fb087',
    500: '#258e57',
    950: '#000000',
  },
}

SCSS

$custom: #258e57;
$custom-light: #6fb087;
$custom-dark: #000000;

JSON

{
  "hex": "#258e57",
  "rgb": {
    "r": 37,
    "g": 142,
    "b": 87
  },
  "hsl": {
    "h": 148.571,
    "s": 58.659,
    "l": 35.098
  },
  "oklch": {
    "l": 0.57435,
    "c": 0.12644,
    "h": 155.4
  },
  "luminance": 0.20427
}

Semantic roles & 50–950 ramp

primary

#258E57

secondary

#B9568A

accent

#4698E2

background

#F7FAF8

surface

#EDF5EF

border

#C8CFCA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #258E57

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

Preview Lab → · Contrast checker → · Palette generator →