#999E8B

Closest named color: Cement (#A5A391). oklch(69% 0.028 119.1), rgb(153, 158, 139).

Aa

Black text reads best on this color (7.61:1).

About this color

#999E8B is a medium-light close to neutral grey. In OKLCH its lightness is 69%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Cement (#A5A391), ΔE 0.024 away. Black text reads best on it, at 7.61:1.

Hue familyNeutrals
Lightnessmedium-light (69%)
Chromaclose to neutral grey (0.028)
Temperatureneutral
Nearest nameCement (#A5A391)
Black text7.61:1
White text2.75:1

Values

HEX#999E8B
RGBrgb(153, 158, 139)
HSLhsl(76, 9%, 58%)
OKLCHoklch(69% 0.028 119.1)

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 #999E8B 2.75:1 Fails Lc -58.5 Large or bold text, headings
Black text on #999E8B 7.61:1 AAA Lc 50.8 Large or bold text, headings
#999E8B text on white 2.75:1 Fails Lc 53.3 Large or bold text, headings
#999E8B text on black 7.61:1 AAA Lc -48.6 Large or bold text, headings

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 400.

  1. Step 50

    50

    #F5F6F4

    oklch(97.2% 0.003 128.5)

  2. Step 100

    100

    #E9EAE7

    oklch(93.5% 0.004 121.6)

  3. Step 200

    200

    #D8DAD3

    oklch(88.5% 0.01 119.6)

  4. Step 300

    300

    #BFC2B6

    oklch(80.8% 0.017 118.2)

  5. Step 400

    400 (this color)

    #999E8B

    oklch(69% 0.028 119.1)

  6. Step 500

    500

    #878D75

    oklch(63.2% 0.036 118.8)

  7. Step 600

    600

    #70775E

    oklch(55.6% 0.038 120.4)

  8. Step 700

    700

    #5E644D

    oklch(49.1% 0.036 119.6)

  9. Step 800

    800

    #4D513F

    oklch(42.6% 0.029 117.8)

  10. Step 900

    900

    #404336

    oklch(37.6% 0.022 118)

  11. Step 950

    950

    #252820

    oklch(27.1% 0.015 124.1)

Export this scale for Tailwind in the Tailwind colors tool

#999E8B 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)#A19C8A0.012
Deuteranopia (no green cones)#A09C8C0.011
Tritanopia (no blue cones)#9B9C990.023
Achromatopsia (no color)#9C9C9C0.028

Harmonies

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

Complementary

The opposite hue (180°).

  • #999E8B

    #999E8B

    oklch(69% 0.028 119.1)

  • #9D98AA

    #9D98AA

    oklch(69% 0.027 298.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #999E8B

    #999E8B

    oklch(69% 0.028 119.1)

  • #A29B88

    #A29B88

    oklch(69% 0.028 90.2)

  • #90A092

    #90A092

    oklch(68.9% 0.027 148.9)

Open the analogous palette in the generator

Split complementary

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

  • #999E8B

    #999E8B

    oklch(69% 0.028 119.1)

  • #949BAD

    #949BAD

    oklch(69% 0.028 268.7)

  • #A595A4

    #A595A4

    oklch(68.9% 0.028 327.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #999E8B

    #999E8B

    oklch(69% 0.028 119.1)

  • #8C9EAB

    #8C9EAB

    oklch(68.9% 0.028 239.3)

  • #AB949B

    #AB949B

    oklch(68.9% 0.029 357.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #999E8B

    #999E8B

    oklch(69% 0.028 119.1)

  • #88A0A5

    #88A0A5

    oklch(68.9% 0.028 211.7)

  • #9D98AA

    #9D98AA

    oklch(69% 0.027 298.4)

  • #AC9591

    #AC9591

    oklch(68.9% 0.028 29.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #999E8B, closest first.

Similar named colors

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

Use #999E8B 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.