#899E99
Closest named color: Cool Grey (#95A3A6). oklch(68.1% 0.025 179.6), rgb(137, 158, 153).
Aa
Black text reads best on this color (7.41:1).
About this color
#899E99 is a medium-light close to neutral grey. In OKLCH its lightness is 68%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Cool Grey (#95A3A6), ΔE 0.028 away. Black text reads best on it, at 7.41:1.
| Hue family | Neutrals |
| Lightness | medium-light (68%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Cool Grey (#95A3A6) |
| Black text | 7.41:1 |
| White text | 2.83:1 |
Values
| HEX | #899E99 |
| RGB | rgb(137, 158, 153) |
| HSL | hsl(166, 10%, 58%) |
| OKLCH | oklch(68.1% 0.025 179.6) |
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 #899E99 | 2.83:1 | Fails | Lc -59.7 | Large or bold text, headings |
| Black text on #899E99 | 7.41:1 | AAA | Lc 49.7 | Large or bold text, headings |
| #899E99 text on white | 2.83:1 | Fails | Lc 54.4 | Large or bold text, headings |
| #899E99 text on black | 7.41:1 | AAA | Lc -47.5 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBEA
oklch(93.7% 0.004 179.7)
-
Step 200
200
#D3DBD9
oklch(88.5% 0.009 179.6)
-
Step 300
300
#B7C4C1
oklch(80.9% 0.015 180.6)
-
Step 400
400 (this color)
#899E99
oklch(68.1% 0.025 179.6)
-
Step 500
500
#75908A
oklch(63.1% 0.032 180.2)
-
Step 600
600
#5E7A74
oklch(55.6% 0.034 180.4)
-
Step 700
700
#4D6761
oklch(49.1% 0.032 179.1)
-
Step 800
800
#3F544F
oklch(42.7% 0.027 178.7)
-
Step 900
900
#364542
oklch(37.6% 0.02 181.7)
-
Step 950
950
#202927
oklch(27.2% 0.013 180.3)
#899E99 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) | #9C9B99 | 0.027 |
| Deuteranopia (no green cones) | #989899 | 0.025 |
| Tritanopia (no blue cones) | #849F9C | 0.007 |
| Achromatopsia (no color) | #999999 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899E99
#899E99
oklch(68.1% 0.025 179.6)
- #A79398
#A79398
oklch(68.2% 0.025 0.9)
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 #899E99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Grey #95A3A6 ΔE 0.028
- Bluey Grey #89A0B0 ΔE 0.033
- Pewter #96A8A1 ΔE 0.034
- Bluegrey #85A3B2 ΔE 0.035
- Cool Gray #8D99AE ΔE 0.039
- Greyblue #77A1B5 ΔE 0.043
- Cement #A5A391 ΔE 0.044
- Grey Green #86A17D ΔE 0.045
Use #899E99 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.