#999AAE
Closest named color: Cool Gray (#8D99AE). oklch(69.2% 0.029 283.3), rgb(153, 154, 174).
Aa
Black text reads best on this color (7.58:1).
About this color
#999AAE is a medium-light close to neutral grey. In OKLCH its lightness is 69%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Cool Gray (#8D99AE), ΔE 0.017 away. Black text reads best on it, at 7.58:1.
| Hue family | Neutrals |
| Lightness | medium-light (69%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.58:1 |
| White text | 2.76:1 |
Values
| HEX | #999AAE |
| RGB | rgb(153, 154, 174) |
| HSL | hsl(237, 11%, 64%) |
| OKLCH | oklch(69.2% 0.029 283.3) |
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 #999AAE | 2.76:1 | Fails | Lc -58.7 | Large or bold text, headings |
| Black text on #999AAE | 7.58:1 | AAA | Lc 50.6 | Large or bold text, headings |
| #999AAE text on white | 2.76:1 | Fails | Lc 53.4 | Large or bold text, headings |
| #999AAE text on black | 7.58:1 | AAA | Lc -48.4 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9ED
oklch(93.5% 0.005 286.3)
-
Step 200
200
#D8D8E0
oklch(88.5% 0.011 286.2)
-
Step 300
300
#BFBFCC
oklch(80.9% 0.018 286)
-
Step 400
400 (this color)
#999AAE
oklch(69.2% 0.029 283.3)
-
Step 500
500
#8687A0
oklch(63.1% 0.037 283.5)
-
Step 600
600
#70718B
oklch(55.7% 0.04 283.3)
-
Step 700
700
#5D5E76
oklch(49% 0.038 283)
-
Step 800
800
#4C4D60
oklch(42.7% 0.031 282.6)
-
Step 900
900
#40404E
oklch(37.7% 0.024 285.2)
-
Step 950
950
#25262E
oklch(27.1% 0.015 279.7)
#999AAE 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) | #959CAF | 0.007 |
| Deuteranopia (no green cones) | #959BAD | 0.007 |
| Tritanopia (no blue cones) | #959DA0 | 0.026 |
| Achromatopsia (no color) | #9B9B9B | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999AAE
#999AAE
oklch(69.2% 0.029 283.3)
- #9F9D89
#9F9D89
oklch(69.2% 0.028 102.4)
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 #999AAE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.017
- Bluey Grey #89A0B0 ΔE 0.025
- Cool Grey #95A3A6 ΔE 0.031
- Bluegrey #85A3B2 ΔE 0.033
- Cool Steel #97A7B3 ΔE 0.034
- Greyblue #77A1B5 ΔE 0.045
- Pewter #96A8A1 ΔE 0.049
- Dark Gray #A9A9A9 ΔE 0.052
Use #999AAE 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.