#999F90
Closest named color: Cement (#A5A391). oklch(69.3% 0.023 124.8), rgb(153, 159, 144).
Aa
Black text reads best on this color (7.71:1).
About this color
#999F90 is a medium-light close to neutral grey. In OKLCH its lightness is 69%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Cement (#A5A391), ΔE 0.021 away. Black text reads best on it, at 7.71:1.
| Hue family | Neutrals |
| Lightness | medium-light (69%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Cement (#A5A391) |
| Black text | 7.71:1 |
| White text | 2.72:1 |
Values
| HEX | #999F90 |
| RGB | rgb(153, 159, 144) |
| HSL | hsl(84, 7%, 59%) |
| OKLCH | oklch(69.3% 0.023 124.8) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #999F90 | 2.72:1 | Fails | Lc -58.0 | Large or bold text, headings |
| Black text on #999F90 | 7.71:1 | AAA | Lc 51.3 | Large or bold text, headings |
| #999F90 text on white | 2.72:1 | Fails | Lc 52.7 | Large or bold text, headings |
| #999F90 text on black | 7.71:1 | AAA | Lc -49.1 | 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.
-
Step 50
50
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E9EAE7
oklch(93.5% 0.004 121.6)
-
Step 200
200
#D8DAD4
oklch(88.5% 0.008 121.6)
-
Step 300
300
#BEC2B9
oklch(80.8% 0.013 126.4)
-
Step 400
400 (this color)
#999F90
oklch(69.3% 0.023 124.8)
-
Step 500
500
#858D7A
oklch(63.1% 0.029 125.9)
-
Step 600
600
#6F7763
oklch(55.7% 0.032 125.2)
-
Step 700
700
#5D6452
oklch(49.2% 0.029 124.8)
-
Step 800
800
#4C5143
oklch(42.6% 0.023 123.4)
-
Step 900
900
#3F4339
oklch(37.6% 0.017 125)
-
Step 950
950
#252821
oklch(27.1% 0.013 126.2)
#999F90 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #A19D8F | 0.012 |
| Deuteranopia (no green cones) | #A09D91 | 0.011 |
| Tritanopia (no blue cones) | #9A9D9B | 0.019 |
| Achromatopsia (no color) | #9D9D9D | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999F90
#999F90
oklch(69.3% 0.023 124.8)
- #9F99A8
#9F99A8
oklch(69.3% 0.023 303.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #999F90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cement #A5A391 ΔE 0.021
- Pewter #96A8A1 ΔE 0.028
- Cool Grey #95A3A6 ΔE 0.030
- Stone #ADA587 ΔE 0.038
- Grey Green #86A17D ΔE 0.041
- Bland #AFA88B ΔE 0.044
- Dark Gray #A9A9A9 ΔE 0.047
- Cool Steel #97A7B3 ΔE 0.048
Use #999F90 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.