#259C8E

Closest named color: Persian Green (#2A9D8F). oklch(62.6% 0.103 183.1), rgb(37, 156, 142).

Aa

Black text reads best on this color (6.22:1).

About this color

#259C8E is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.103 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.004 away. Black text reads best on it, at 6.22:1.

Hue familyTeals and cyans
Lightnessmedium-light (63%)
Chromamoderately saturated (0.103)
Temperaturecool
Nearest namePersian Green (#2A9D8F)
Black text6.22:1
White text3.37:1

Values

HEX#259C8E
RGBrgb(37, 156, 142)
HSLhsl(173, 62%, 38%)
OKLCHoklch(62.6% 0.103 183.1)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #259C8E 3.37:1 AA large text Lc -66.3 Content text, not long reading
Black text on #259C8E 6.22:1 AA Lc 43.3 Non-text elements, placeholder text
#259C8E text on white 3.37:1 AA large text Lc 60.8 Content text, not long reading
#259C8E text on black 6.22:1 AA Lc -40.9 Non-text elements, placeholder text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.

  1. Step 50

    50

    #F1F7F6

    oklch(97.1% 0.006 185.3)

  2. Step 100

    100

    #E0EDEB

    oklch(93.6% 0.014 185.9)

  3. Step 200

    200

    #C6E0DB

    oklch(88.6% 0.028 182.8)

  4. Step 300

    300

    #9DCCC4

    oklch(81% 0.051 183.5)

  5. Step 400

    400

    #62B1A5

    oklch(70.6% 0.08 183.1)

  6. Step 500

    500 (this color)

    #259C8E

    oklch(62.6% 0.103 183.1)

  7. Step 600

    600

    #008679

    oklch(55.7% 0.099 183.1)

  8. Step 700

    700

    #007065

    oklch(49% 0.087 183.1)

  9. Step 800

    800

    #005C53

    oklch(42.6% 0.076 183.4)

  10. Step 900

    900

    #004D45

    oklch(37.7% 0.067 183.1)

  11. Step 950

    950

    #072D28

    oklch(26.9% 0.043 182.5)

Export this scale for Tailwind in the Tailwind colors tool

#259C8E with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#94938E0.109
Deuteranopia (no green cones)#84878F0.103
Tritanopia (no blue cones)#009F980.015
Achromatopsia (no color)#8C8C8C0.104

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #259C8E

    #259C8E

    oklch(62.6% 0.103 183.1)

  • #BB6D82

    #BB6D82

    oklch(62.7% 0.102 3.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #259C8E

    #259C8E

    oklch(62.6% 0.103 183.1)

  • #539A6A

    #539A6A

    oklch(62.6% 0.103 152.9)

  • #2098AD

    #2098AD

    oklch(62.7% 0.103 212.9)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #259C8E

    #259C8E

    oklch(62.6% 0.103 183.1)

  • #AD70A3

    #AD70A3

    oklch(62.7% 0.103 332.8)

  • #BE705F

    #BE705F

    oklch(62.7% 0.103 33.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #259C8E

    #259C8E

    oklch(62.6% 0.103 183.1)

  • #9578BB

    #9578BB

    oklch(62.6% 0.103 303.5)

  • #B47A41

    #B47A41

    oklch(62.8% 0.103 63.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #259C8E

    #259C8E

    oklch(62.6% 0.103 183.1)

  • #7483C6

    #7483C6

    oklch(62.6% 0.103 273.5)

  • #BB6D82

    #BB6D82

    oklch(62.7% 0.102 3.1)

  • #9D8636

    #9D8636

    oklch(62.5% 0.103 93.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #259C8E, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #259C8E in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.